English verb conjugation
COULD PRECIPITATE

Regular verb: precipitate - precipitated - precipitated

Affirmation

Simple form	V-ing form
I could precipitate you could precipitate he could precipitate we could precipitate you could precipitate they could precipitate	I could be precipitating you could be precipitating he 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 he 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 he 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 he 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 he 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 he 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 he 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 he precipitate? could we precipitate? could you precipitate? could they precipitate?	could I be precipitating? could you be precipitating? could he 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 he 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 he 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 he 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 he 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 he 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 he have been precipitating? couldn't we have been precipitating? couldn't you have been precipitating? couldn't they have been precipitating?