English verb conjugation MUST GRUMP

Regular verb: grump - grumped - grumped

Affirmation

Simple form

I must grump
you must grump
he must grump
we must grump
you must grump
they must grump

V-ing form

I must be grumping
you must be grumping
he must be grumping
we must be grumping
you must be grumping
they must be grumping

Perfect

I must have grumped
you must have grumped
he must have grumped
we must have grumped
you must have grumped
they must have grumped

V-ing perfect

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

Negation

Simple form

I must not grump
you must not grump
he must not grump
we must not grump
you must not grump
they must not grump

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I grump?
must you grump?
must he grump?
must we grump?
must you grump?
must they grump?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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