Subject	alkene
Predicate	undergo
Object	addition reaction
Modality	Modality Occurrences TBC[electrophilic addition reactions] 2 TBC[electrophilic addition reaction] 1
Polarity	POSITIVE
Plausibility	0.9499
Neighborhood Sigma	1.0000
Local Sigma	0.9499
Example Sentences	Sentence Occurrences Source alkenes undergo addition reactions 6 Google Autocomplete alkenes undergo electrophilic addition reactions 2 Google Autocomplete, Answers.com Questions alkenes undergo electrophilic addition reaction 1 Google Autocomplete