English verb conjugation MUST GAIN

Regular verb: gain - gained - gained

Affirmation

Simple form

I must gain
you must gain
she must gain
we must gain
you must gain
they must gain

V-ing form

I must be gaining
you must be gaining
she must be gaining
we must be gaining
you must be gaining
they must be gaining

Perfect

I must have gained
you must have gained
she 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
she 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
she 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
she 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
she 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
she 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 she gain?
must we gain?
must you gain?
must they gain?

V-ing form

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

Perfect

must I have gained?
must you have gained?
must she 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 she 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 she 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 she 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 she 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 she 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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