Subject	contract
Predicate	been
Object	when have exchanged
Modality	Modality Occurrences some[subj/i know when] 2
Polarity	POSITIVE
Plausibility	0.0263
Neighborhood Sigma	0.0269
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source i know when contracts have been exchanged 2 Google Autocomplete