I must precipitate you must precipitate she must precipitate we must precipitate you must precipitate they must precipitate
V-ing form
I must be precipitating you must be precipitating she must be precipitating we must be precipitating you must be precipitating they must be precipitating
Perfect
I must have precipitated you must have precipitated she must have precipitated we must have precipitated you must have precipitated they must have precipitated
V-ing perfect
I must have been precipitating you must have been precipitating she must have been precipitating we must have been precipitating you must have been precipitating they must have been precipitating
Negation
Simple form
I must not precipitate you must not precipitate she must not precipitate we must not precipitate you must not precipitate they must not precipitate
V-ing form
I must not be precipitating you must not be precipitating she must not be precipitating we must not be precipitating you must not be precipitating they must not be precipitating
Perfect
I must not have precipitated you must not have precipitated she must not have precipitated we must not have precipitated you must not have precipitated they must not have precipitated
V-ing perfect
I must not have been precipitating you must not have been precipitating she must not have been precipitating we must not have been precipitating you must not have been precipitating they must not have been precipitating
Interrogative form
Simple form
must I precipitate? must you precipitate? must she precipitate? must we precipitate? must you precipitate? must they precipitate?
V-ing form
must I be precipitating? must you be precipitating? must she be precipitating? must we be precipitating? must you be precipitating? must they be precipitating?
Perfect
must I have precipitated? must you have precipitated? must she have precipitated? must we have precipitated? must you have precipitated? must they have precipitated?
V-ing perfect
must I have been precipitating? must you have been precipitating? must she have been precipitating? must we have been precipitating? must you have been precipitating? must they have been precipitating?
Interro-negative form
Simple form
must I not precipitate? must you not precipitate? must she not precipitate? must we not precipitate? must you not precipitate? must they not precipitate?
V-ing form
must I not be precipitating? must you not be precipitating? must she not be precipitating? must we not be precipitating? must you not be precipitating? must they not be precipitating?
Perfect
must I not have precipitated? must you not have precipitated? must she not have precipitated? must we not have precipitated? must you not have precipitated? must they not have precipitated?
V-ing perfect
must I not have been precipitating? must you not have been precipitating? must she not have been precipitating? must we not have been precipitating? must you not have been precipitating? must they not have been precipitating?