English verb conjugation MUST SEEK

Irregular verb: seek - sought - sought

Affirmation

Simple form

I must seek
you must seek
he must seek
we must seek
you must seek
they must seek

V-ing form

I must be seeking
you must be seeking
he must be seeking
we must be seeking
you must be seeking
they must be seeking

Perfect

I must have sought
you must have sought
he must have sought
we must have sought
you must have sought
they must have sought

V-ing perfect

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

Negation

Simple form

I must not seek
you must not seek
he must not seek
we must not seek
you must not seek
they must not seek

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I seek?
must you seek?
must he seek?
must we seek?
must you seek?
must they seek?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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