English verb conjugation
COULD PRECIPITATE

Regular verb: precipitate - precipitated - precipitated

Affirmation

Simple form	V-ing form
I could precipitate you could precipitate she could precipitate we could precipitate you could precipitate they could precipitate	I could be precipitating you could be precipitating she could be precipitating we could be precipitating you could be precipitating they could be precipitating
Perfect	V-ing perfect
I could have precipitated you could have precipitated she could have precipitated we could have precipitated you could have precipitated they could have precipitated	I could have been precipitating you could have been precipitating she could have been precipitating we could have been precipitating you could have been precipitating they could have been precipitating

Negation

Simple form	V-ing form
I couldn't precipitate you couldn't precipitate she couldn't precipitate we couldn't precipitate you couldn't precipitate they couldn't precipitate	I couldn't be precipitating you couldn't be precipitating she couldn't be precipitating we couldn't be precipitating you couldn't be precipitating they couldn't be precipitating
Perfect	V-ing perfect
I couldn't have precipitated you couldn't have precipitated she couldn't have precipitated we couldn't have precipitated you couldn't have precipitated they couldn't have precipitated	I couldn't have been precipitating you couldn't have been precipitating she couldn't have been precipitating we couldn't have been precipitating you couldn't have been precipitating they couldn't have been precipitating

Interrogative form

Simple form	V-ing form
could I precipitate? could you precipitate? could she precipitate? could we precipitate? could you precipitate? could they precipitate?	could I be precipitating? could you be precipitating? could she be precipitating? could we be precipitating? could you be precipitating? could they be precipitating?
Perfect	V-ing perfect
could I have precipitated? could you have precipitated? could she have precipitated? could we have precipitated? could you have precipitated? could they have precipitated?	could I have been precipitating? could you have been precipitating? could she have been precipitating? could we have been precipitating? could you have been precipitating? could they have been precipitating?

Interro-negative form

Simple form	V-ing form
couldn't I precipitate? couldn't you precipitate? couldn't she precipitate? couldn't we precipitate? couldn't you precipitate? couldn't they precipitate?	couldn't I be precipitating? couldn't you be precipitating? couldn't she be precipitating? couldn't we be precipitating? couldn't you be precipitating? couldn't they be precipitating?
Perfect	V-ing perfect
couldn't I have precipitated? couldn't you have precipitated? couldn't she have precipitated? couldn't we have precipitated? couldn't you have precipitated? couldn't they have precipitated?	couldn't I have been precipitating? couldn't you have been precipitating? couldn't she have been precipitating? couldn't we have been precipitating? couldn't you have been precipitating? couldn't they have been precipitating?