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 mustn't gain
you mustn't gain
he mustn't gain
we mustn't gain
you mustn't gain
they mustn't gain

V-ing form

I mustn't be gaining
you mustn't be gaining
he mustn't be gaining
we mustn't be gaining
you mustn't be gaining
they mustn't be gaining

Perfect

I mustn't have gained
you mustn't have gained
he mustn't have gained
we mustn't have gained
you mustn't have gained
they mustn't have gained

V-ing perfect

I mustn't have been gaining
you mustn't have been gaining
he mustn't have been gaining
we mustn't have been gaining
you mustn't have been gaining
they mustn't 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

mustn't I gain?
mustn't you gain?
mustn't he gain?
mustn't we gain?
mustn't you gain?
mustn't they gain?

V-ing form

mustn't I be gaining?
mustn't you be gaining?
mustn't he be gaining?
mustn't we be gaining?
mustn't you be gaining?
mustn't they be gaining?

Perfect

mustn't I have gained?
mustn't you have gained?
mustn't he have gained?
mustn't we have gained?
mustn't you have gained?
mustn't they have gained?

V-ing perfect

mustn't I have been gaining?
mustn't you have been gaining?
mustn't he have been gaining?
mustn't we have been gaining?
mustn't you have been gaining?
mustn't they have been gaining?

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