English verb conjugation CAN INVALIDATE

Regular verb: invalidate - invalidated - invalidated

Affirmation

Simple form

I can invalidate
you can invalidate
he can invalidate
we can invalidate
you can invalidate
they can invalidate

V-ing form

I can be invalidating
you can be invalidating
he can be invalidating
we can be invalidating
you can be invalidating
they can be invalidating

Perfect

I can have invalidated
you can have invalidated
he can have invalidated
we can have invalidated
you can have invalidated
they can have invalidated

V-ing perfect

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

Negation

Simple form

I cannot invalidate
you cannot invalidate
he cannot invalidate
we cannot invalidate
you cannot invalidate
they cannot invalidate

V-ing form

I cannot be invalidating
you cannot be invalidating
he cannot be invalidating
we cannot be invalidating
you cannot be invalidating
they cannot be invalidating

Perfect

I cannot have invalidated
you cannot have invalidated
he cannot have invalidated
we cannot have invalidated
you cannot have invalidated
they cannot have invalidated

V-ing perfect

I cannot have been invalidating
you cannot have been invalidating
he cannot have been invalidating
we cannot have been invalidating
you cannot have been invalidating
they cannot have been invalidating

Interrogative form

Simple form

can I invalidate?
can you invalidate?
can he invalidate?
can we invalidate?
can you invalidate?
can they invalidate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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