English verb conjugation MUST INVALIDATE

Regular verb: invalidate - invalidated - invalidated

Affirmation

Simple form

I must invalidate
you must invalidate
he must invalidate
we must invalidate
you must invalidate
they must invalidate

V-ing form

I must be invalidating
you must be invalidating
he must be invalidating
we must be invalidating
you must be invalidating
they must be invalidating

Perfect

I must have invalidated
you must have invalidated
he must have invalidated
we must have invalidated
you must have invalidated
they must have invalidated

V-ing perfect

I must have been invalidating
you must have been invalidating
he must have been invalidating
we must have been invalidating
you must have been invalidating
they must have been invalidating

Negation

Simple form

I must not invalidate
you must not invalidate
he must not invalidate
we must not invalidate
you must not invalidate
they must not invalidate

V-ing form

I must not be invalidating
you must not be invalidating
he must not be invalidating
we must not be invalidating
you must not be invalidating
they must not be invalidating

Perfect

I must not have invalidated
you must not have invalidated
he must not have invalidated
we must not have invalidated
you must not have invalidated
they must not have invalidated

V-ing perfect

I must not have been invalidating
you must not have been invalidating
he must not have been invalidating
we must not have been invalidating
you must not have been invalidating
they must not have been invalidating

Interrogative form

Simple form

must I invalidate?
must you invalidate?
must he invalidate?
must we invalidate?
must you invalidate?
must they invalidate?

V-ing form

must I be invalidating?
must you be invalidating?
must he be invalidating?
must we be invalidating?
must you be invalidating?
must they be invalidating?

Perfect

must I have invalidated?
must you have invalidated?
must he have invalidated?
must we have invalidated?
must you have invalidated?
must they have invalidated?

V-ing perfect

must I have been invalidating?
must you have been invalidating?
must he have been invalidating?
must we have been invalidating?
must you have been invalidating?
must they have been invalidating?

Interro-negative form

Simple form

must I not invalidate?
must you not invalidate?
must he not invalidate?
must we not invalidate?
must you not invalidate?
must they not invalidate?

V-ing form

must I not be invalidating?
must you not be invalidating?
must he not be invalidating?
must we not be invalidating?
must you not be invalidating?
must they not be invalidating?

Perfect

must I not have invalidated?
must you not have invalidated?
must he not have invalidated?
must we not have invalidated?
must you not have invalidated?
must they not have invalidated?

V-ing perfect

must I not have been invalidating?
must you not have been invalidating?
must he not have been invalidating?
must we not have been invalidating?
must you not have been invalidating?
must they not have been invalidating?

Page top