English verb conjugation MUST LOOK

Regular verb: look - looked - looked

Affirmation

Simple form

I must look
you must look
he must look
we must look
you must look
they must look

V-ing form

I must be looking
you must be looking
he must be looking
we must be looking
you must be looking
they must be looking

Perfect

I must have looked
you must have looked
he must have looked
we must have looked
you must have looked
they must have looked

V-ing perfect

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

Negation

Simple form

I must not look
you must not look
he must not look
we must not look
you must not look
they must not look

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I look?
must you look?
must he look?
must we look?
must you look?
must they look?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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