English verb conjugation MUST ENGULF

Regular verb: engulf - engulfed - engulfed

Affirmation

Simple form

I must engulf
you must engulf
he must engulf
we must engulf
you must engulf
they must engulf

V-ing form

I must be engulfing
you must be engulfing
he must be engulfing
we must be engulfing
you must be engulfing
they must be engulfing

Perfect

I must have engulfed
you must have engulfed
he must have engulfed
we must have engulfed
you must have engulfed
they must have engulfed

V-ing perfect

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

Negation

Simple form

I must not engulf
you must not engulf
he must not engulf
we must not engulf
you must not engulf
they must not engulf

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I engulf?
must you engulf?
must he engulf?
must we engulf?
must you engulf?
must they engulf?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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