may precipitate
Regular verb: precipitate - precipitated- precipitated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may precipitate
you may precipitate
he may precipitate
we may precipitate
you may precipitate
they may precipitate 	I may be precipitating
you may be precipitating
he may be precipitating
we may be precipitating
you may be precipitating
they may be precipitating	I may have precipitated
you may have precipitated
he may have precipitated
we may have precipitated
you may have precipitated
they may have precipitated	I may have been precipitating
you may have been precipitating
he may have been precipitating
we may have been precipitating
you may have been precipitating
they may have been precipitating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't precipitate
you mayn't precipitate
he mayn't precipitate
we mayn't precipitate
you mayn't precipitate
they mayn't precipitate 	I mayn't be precipitating
you mayn't be precipitating
he mayn't be precipitating
we mayn't be precipitating
you mayn't be precipitating
they mayn't be precipitating	I mayn't have precipitated
you mayn't have precipitated
he mayn't have precipitated
we mayn't have precipitated
you mayn't have precipitated
they mayn't have precipitated	I mayn't have been precipitating
you mayn't have been precipitating
he mayn't have been precipitating
we mayn't have been precipitating
you mayn't have been precipitating
they mayn't have been precipitating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I precipitate?
may you precipitate?
may he precipitate?
may we precipitate?
may you precipitate?
may they precipitate? 	may I be precipitating?
may you be precipitating?
may he be precipitating?
may we be precipitating?
may you be precipitating?
may they be precipitating? 	may I have precipitated?
may you have precipitated?
may he have precipitated?
may we have precipitated?
may you have precipitated?
may they have precipitated? 	may I have been precipitating?
may you have been precipitating?
may he have been precipitating?
may we have been precipitating?
may you have been precipitating?
may they have been precipitating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I precipitate?
mayn't you precipitate?
mayn't he precipitate?
mayn't we precipitate?
mayn't you precipitate?
mayn't they precipitate? 	mayn't I be precipitating?
mayn't you be precipitating?
mayn't he be precipitating?
mayn't we be precipitating?
mayn't you be precipitating?
mayn't they be precipitating? 	mayn't I have precipitated?
mayn't you have precipitated?
mayn't he have precipitated?
mayn't we have precipitated?
mayn't you have precipitated?
mayn't they have precipitated? 	mayn't I have been precipitating?
mayn't you have been precipitating?
mayn't he have been precipitating?
mayn't we have been precipitating?
mayn't you have been precipitating?
mayn't they have been precipitating?