English verb conjugation MUST GRAIN

Regular verb: grain - grained - grained

Affirmation

Simple form

I must grain
you must grain
he must grain
we must grain
you must grain
they must grain

V-ing form

I must be graining
you must be graining
he must be graining
we must be graining
you must be graining
they must be graining

Perfect

I must have grained
you must have grained
he must have grained
we must have grained
you must have grained
they must have grained

V-ing perfect

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

Negation

Simple form

I mustn't grain
you mustn't grain
he mustn't grain
we mustn't grain
you mustn't grain
they mustn't grain

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I grain?
must you grain?
must he grain?
must we grain?
must you grain?
must they grain?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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