Home

Example 17 John was seen swimming. (Pires 2007:182)
Initial Stream: ['swim', 'v', ['n_3rd_msc_sg', 'John'], 'T_ing', 'see', 'v', 'Psv', 'Tpast', 'C']

Successful Derivation 1
Successful Derivation 2
Successful Derivation 3
Successful Derivation 4
Successful Derivation 5
Successful Derivation 6
Successful Derivation 7
Successful Derivation 8
Successful Derivation 9
Successful Derivation 10
Successful Derivation 11
Successful Derivation 12
Successful Derivation 13
Successful Derivation 14
Successful Derivation 15
Successful Derivation 16


Merge 1
Merge: set-Merge
Stream: [['n_3rd_msc_sg', 'John'], 'T_ing', 'see', 'v', 'Psv', 'Tpast', 'C']
Unlabeled:

Substream
Stream: ['John', 'n_3rd_msc_sg']

Merge 2
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 3
Merge: set-Merge
Stream: [['John', 'n_3rd_msc_sg'], 'T_ing', 'see', 'v', 'Psv', 'Tpast', 'C']
Unlabeled:


Merge 4
Merge: set-Merge
Stream: ['see', 'v', 'Psv', 'Tpast', 'C']
Operations: Agree: (Ting,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 5
Merge: set-Merge
Stream: ['v', 'Psv', 'Tpast', 'C']
Unlabeled:


Merge 6
Merge: set-Merge
Stream: ['Psv', 'Tpast', 'C']
Unlabeled:


Merge 7
Merge: set-Merge
Stream: ['Tpast', 'C']
Operations: Agree: (Psv,Ting)
Checked Features: 'uPerson'
Unlabeled:


Merge 8
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,Ting)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 9
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #2
Continued from Merge 8

Merge 10
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 11
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Transfer:
Frontier:

Spell Out: C n John T(Past,3rd,sg) be -en v see -ing v swim
PF Rules: John T(Past,3rd,sg)+be
John was -en+see
John was seen Ting+swim
John was seen swimming

Successful Derivation 1
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #3
Continued from Merge 7

Merge 12
Merge: set-Merge
Stream: ['Tpast', 'C']
FormCopy:
Unlabeled:


Merge 13
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 14
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label via
shared Person:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Crash (No Case):

   ➔

Backtrack (check for another possible derivation: Free Merge): Attempt: #4
Continued from Merge 13

Merge 15
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 16
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Transfer:
Frontier:

Spell Out: C n John T(Past,3rd,sg) be -en v see -ing v swim
PF Rules: John T(Past,3rd,sg)+be
John was -en+see
John was seen Ting+swim
John was seen swimming

Successful Derivation 2
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #5
Continued from Merge 6

Merge 17
Merge: set-Merge
Stream: ['Psv', 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 18
Merge: set-Merge
Stream: ['Tpast', 'C']
Operations: Agree: (Psv,n)
Checked Features: 'uPerson'
Unlabeled:


Merge 19
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 20
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #6
Continued from Merge 19

Merge 21
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 22
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Transfer:
Frontier:

Spell Out: C n John T(Past,3rd,sg) be -en v see -ing v swim
PF Rules: John T(Past,3rd,sg)+be
John was -en+see
John was seen Ting+swim
John was seen swimming

Successful Derivation 3
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #7
Continued from Merge 18

Merge 23
Merge: set-Merge
Stream: ['Tpast', 'C']
FormCopy:
Unlabeled:


Merge 24
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 25
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label via
shared Person:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Crash (No Case):

   ➔

Backtrack (check for another possible derivation: Free Merge): Attempt: #8
Continued from Merge 24

Merge 26
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 27
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Transfer:
Frontier:

Spell Out: C n John T(Past,3rd,sg) be -en v see -ing v swim
PF Rules: John T(Past,3rd,sg)+be
John was -en+see
John was seen Ting+swim
John was seen swimming

Successful Derivation 4
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #9
Continued from Merge 5

Merge 28
Merge: set-Merge
Stream: ['v', 'Psv', 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 29
Merge: set-Merge
Stream: ['Psv', 'Tpast', 'C']
Unlabeled:


Merge 30
Merge: set-Merge
Stream: ['Tpast', 'C']
Operations: Agree: (Psv,n)
Checked Features: 'uPerson'
Unlabeled:


Merge 31
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 32
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #10
Continued from Merge 31

Merge 33
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 34
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Transfer:
Frontier:

Spell Out: C n John T(Past,3rd,sg) be -en v see -ing v swim
PF Rules: John T(Past,3rd,sg)+be
John was -en+see
John was seen Ting+swim
John was seen swimming

Successful Derivation 5
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #11
Continued from Merge 30

Merge 35
Merge: set-Merge
Stream: ['Tpast', 'C']
FormCopy:
Unlabeled:


Merge 36
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 37
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label via
shared Person:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Crash (No Case):

   ➔

Backtrack (check for another possible derivation: Free Merge): Attempt: #12
Continued from Merge 36

Merge 38
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 39
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Transfer:
Frontier:

Spell Out: C n John T(Past,3rd,sg) be -en v see -ing v swim
PF Rules: John T(Past,3rd,sg)+be
John was -en+see
John was seen Ting+swim
John was seen swimming

Successful Derivation 6
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #13
Continued from Merge 29

Merge 40
Merge: set-Merge
Stream: ['Psv', 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 41
Merge: set-Merge
Stream: ['Tpast', 'C']
Operations: Agree: (Psv,n)
Checked Features: 'uPerson'
Unlabeled:


Merge 42
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 43
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #14
Continued from Merge 42

Merge 44
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 45
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Transfer:
Frontier:

Spell Out: C n John T(Past,3rd,sg) be -en v see -ing v swim
PF Rules: John T(Past,3rd,sg)+be
John was -en+see
John was seen Ting+swim
John was seen swimming

Successful Derivation 7
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #15
Continued from Merge 41

Merge 46
Merge: set-Merge
Stream: ['Tpast', 'C']
FormCopy:
Unlabeled:


Merge 47
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 48
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label via
shared Person:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Crash (No Case):

   ➔

Backtrack (check for another possible derivation: Free Merge): Attempt: #16
Continued from Merge 47

Merge 49
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 50
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Transfer:
Frontier:

Spell Out: C n John T(Past,3rd,sg) be -en v see -ing v swim
PF Rules: John T(Past,3rd,sg)+be
John was -en+see
John was seen Ting+swim
John was seen swimming

Successful Derivation 8
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #17
Continued from Merge 4

Merge 51
Merge: set-Merge
Stream: ['see', 'v', 'Psv', 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 52
Merge: set-Merge
Stream: ['v', 'Psv', 'Tpast', 'C']
Unlabeled:


Merge 53
Merge: set-Merge
Stream: ['Psv', 'Tpast', 'C']
Unlabeled:


Merge 54
Merge: set-Merge
Stream: ['Tpast', 'C']
Operations: Agree: (Psv,n),(Psv,Ting)
Checked Features: 'uPerson'
Unlabeled:


Merge 55
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n),(Tpast,Ting)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 56
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Crash (No Case):

   ➔

Backtrack (check for another possible derivation: Free Merge): Attempt: #18
Continued from Merge 55

Merge 57
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 58
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Transfer:
Frontier:

Spell Out: C n John T(Past,3rd,sg) be -en v see -ing v swim
PF Rules: John T(Past,3rd,sg)+be
John was -en+see
John was seen Ting+swim
John was seen swimming

Successful Derivation 9
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #19
Continued from Merge 54

Merge 59
Merge: set-Merge
Stream: ['Tpast', 'C']
FormCopy:
Unlabeled:


Merge 60
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 61
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label via
shared Person:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Crash (No Case):

   ➔

Backtrack (check for another possible derivation: Free Merge): Attempt: #20
Continued from Merge 60

Merge 62
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 63
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Transfer:
Frontier:

Spell Out: C n John T(Past,3rd,sg) be -en v see -ing v swim
PF Rules: John T(Past,3rd,sg)+be
John was -en+see
John was seen Ting+swim
John was seen swimming

Successful Derivation 10
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #21
Continued from Merge 53

Merge 64
Merge: set-Merge
Stream: ['Psv', 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 65
Merge: set-Merge
Stream: ['Tpast', 'C']
Operations: Agree: (Psv,n)
Checked Features: 'uPerson'
Unlabeled:


Merge 66
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 67
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #22
Continued from Merge 66

Merge 68
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 69
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Transfer:
Frontier:

Spell Out: C n John T(Past,3rd,sg) be -en v see -ing v swim
PF Rules: John T(Past,3rd,sg)+be
John was -en+see
John was seen Ting+swim
John was seen swimming

Successful Derivation 11
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #23
Continued from Merge 65

Merge 70
Merge: set-Merge
Stream: ['Tpast', 'C']
FormCopy:
Unlabeled:


Merge 71
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 72
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label via
shared Person:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Crash (No Case):

   ➔

Backtrack (check for another possible derivation: Free Merge): Attempt: #24
Continued from Merge 71

Merge 73
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 74
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Transfer:
Frontier:

Spell Out: C n John T(Past,3rd,sg) be -en v see -ing v swim
PF Rules: John T(Past,3rd,sg)+be
John was -en+see
John was seen Ting+swim
John was seen swimming

Successful Derivation 12
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #25
Continued from Merge 52

Merge 75
Merge: set-Merge
Stream: ['v', 'Psv', 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 76
Merge: set-Merge
Stream: ['Psv', 'Tpast', 'C']
Unlabeled:


Merge 77
Merge: set-Merge
Stream: ['Tpast', 'C']
Operations: Agree: (Psv,n)
Checked Features: 'uPerson'
Unlabeled:


Merge 78
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 79
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #26
Continued from Merge 78

Merge 80
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 81
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Transfer:
Frontier:

Spell Out: C n John T(Past,3rd,sg) be -en v see -ing v swim
PF Rules: John T(Past,3rd,sg)+be
John was -en+see
John was seen Ting+swim
John was seen swimming

Successful Derivation 13
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #27
Continued from Merge 77

Merge 82
Merge: set-Merge
Stream: ['Tpast', 'C']
FormCopy:
Unlabeled:


Merge 83
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 84
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label via
shared Person:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Crash (No Case):

   ➔

Backtrack (check for another possible derivation: Free Merge): Attempt: #28
Continued from Merge 83

Merge 85
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 86
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Transfer:
Frontier:

Spell Out: C n John T(Past,3rd,sg) be -en v see -ing v swim
PF Rules: John T(Past,3rd,sg)+be
John was -en+see
John was seen Ting+swim
John was seen swimming

Successful Derivation 14
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #29
Continued from Merge 76

Merge 87
Merge: set-Merge
Stream: ['Psv', 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 88
Merge: set-Merge
Stream: ['Tpast', 'C']
Operations: Agree: (Psv,n)
Checked Features: 'uPerson'
Unlabeled:


Merge 89
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 90
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #30
Continued from Merge 89

Merge 91
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 92
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Transfer:
Frontier:

Spell Out: C n John T(Past,3rd,sg) be -en v see -ing v swim
PF Rules: John T(Past,3rd,sg)+be
John was -en+see
John was seen Ting+swim
John was seen swimming

Successful Derivation 15
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #31
Continued from Merge 88

Merge 93
Merge: set-Merge
Stream: ['Tpast', 'C']
FormCopy:
Unlabeled:


Merge 94
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 95
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label via
shared Person:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Crash (No Case):

   ➔

Backtrack (check for another possible derivation: Free Merge): Attempt: #32
Continued from Merge 94

Merge 96
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 97
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Transfer:
Frontier:

Spell Out: C n John T(Past,3rd,sg) be -en v see -ing v swim
PF Rules: John T(Past,3rd,sg)+be
John was -en+see
John was seen Ting+swim
John was seen swimming

Successful Derivation 16
Top


# of Merges: 97
# of Backtracks: 31
# of Crashes: 16
# of Successful Derivations: 16

Top