Subject	alkene
Predicate	have
Object	double bond
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.8796
Neighborhood Sigma	0.9261
Local Sigma	0.9538
Example Sentences	Sentence Occurrences Source alkenes have a double bond 2 Google Autocomplete alkenes have double bonds 2 Google Autocomplete alkenes have double bond 2 Answers.com Questions