English verb conjugation MUST COLLAPSE

Regular verb: collapse - collapsed - collapsed

Affirmation

Simple form

I must collapse
you must collapse
she must collapse
we must collapse
you must collapse
they must collapse

V-ing form

I must be collapsing
you must be collapsing
she must be collapsing
we must be collapsing
you must be collapsing
they must be collapsing

Perfect

I must have collapsed
you must have collapsed
she must have collapsed
we must have collapsed
you must have collapsed
they must have collapsed

V-ing perfect

I must have been collapsing
you must have been collapsing
she must have been collapsing
we must have been collapsing
you must have been collapsing
they must have been collapsing

Negation

Simple form

I must not collapse
you must not collapse
she must not collapse
we must not collapse
you must not collapse
they must not collapse

V-ing form

I must not be collapsing
you must not be collapsing
she must not be collapsing
we must not be collapsing
you must not be collapsing
they must not be collapsing

Perfect

I must not have collapsed
you must not have collapsed
she must not have collapsed
we must not have collapsed
you must not have collapsed
they must not have collapsed

V-ing perfect

I must not have been collapsing
you must not have been collapsing
she must not have been collapsing
we must not have been collapsing
you must not have been collapsing
they must not have been collapsing

Interrogative form

Simple form

must I collapse?
must you collapse?
must she collapse?
must we collapse?
must you collapse?
must they collapse?

V-ing form

must I be collapsing?
must you be collapsing?
must she be collapsing?
must we be collapsing?
must you be collapsing?
must they be collapsing?

Perfect

must I have collapsed?
must you have collapsed?
must she have collapsed?
must we have collapsed?
must you have collapsed?
must they have collapsed?

V-ing perfect

must I have been collapsing?
must you have been collapsing?
must she have been collapsing?
must we have been collapsing?
must you have been collapsing?
must they have been collapsing?

Interro-negative form

Simple form

must I not collapse?
must you not collapse?
must she not collapse?
must we not collapse?
must you not collapse?
must they not collapse?

V-ing form

must I not be collapsing?
must you not be collapsing?
must she not be collapsing?
must we not be collapsing?
must you not be collapsing?
must they not be collapsing?

Perfect

must I not have collapsed?
must you not have collapsed?
must she not have collapsed?
must we not have collapsed?
must you not have collapsed?
must they not have collapsed?

V-ing perfect

must I not have been collapsing?
must you not have been collapsing?
must she not have been collapsing?
must we not have been collapsing?
must you not have been collapsing?
must they not have been collapsing?

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