English verb conjugation MUST GAIN

Regular verb: gain - gained - gained

Affirmation

Simple form

I must gain
you must gain
he must gain
we must gain
you must gain
they must gain

V-ing form

I must be gaining
you must be gaining
he must be gaining
we must be gaining
you must be gaining
they must be gaining

Perfect

I must have gained
you must have gained
he must have gained
we must have gained
you must have gained
they must have gained

V-ing perfect

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

Negation

Simple form

I must not gain
you must not gain
he must not gain
we must not gain
you must not gain
they must not gain

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I gain?
must you gain?
must he gain?
must we gain?
must you gain?
must they gain?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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