English verb conjugation MUST STAMP

Regular verb: stamp - stamped - stamped

Affirmation

Simple form

I must stamp
you must stamp
she must stamp
we must stamp
you must stamp
they must stamp

V-ing form

I must be stamping
you must be stamping
she must be stamping
we must be stamping
you must be stamping
they must be stamping

Perfect

I must have stamped
you must have stamped
she must have stamped
we must have stamped
you must have stamped
they must have stamped

V-ing perfect

I must have been stamping
you must have been stamping
she must have been stamping
we must have been stamping
you must have been stamping
they must have been stamping

Negation

Simple form

I must not stamp
you must not stamp
she must not stamp
we must not stamp
you must not stamp
they must not stamp

V-ing form

I must not be stamping
you must not be stamping
she must not be stamping
we must not be stamping
you must not be stamping
they must not be stamping

Perfect

I must not have stamped
you must not have stamped
she must not have stamped
we must not have stamped
you must not have stamped
they must not have stamped

V-ing perfect

I must not have been stamping
you must not have been stamping
she must not have been stamping
we must not have been stamping
you must not have been stamping
they must not have been stamping

Interrogative form

Simple form

must I stamp?
must you stamp?
must she stamp?
must we stamp?
must you stamp?
must they stamp?

V-ing form

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

Perfect

must I have stamped?
must you have stamped?
must she have stamped?
must we have stamped?
must you have stamped?
must they have stamped?

V-ing perfect

must I have been stamping?
must you have been stamping?
must she have been stamping?
must we have been stamping?
must you have been stamping?
must they have been stamping?

Interro-negative form

Simple form

must I not stamp?
must you not stamp?
must she not stamp?
must we not stamp?
must you not stamp?
must they not stamp?

V-ing form

must I not be stamping?
must you not be stamping?
must she not be stamping?
must we not be stamping?
must you not be stamping?
must they not be stamping?

Perfect

must I not have stamped?
must you not have stamped?
must she not have stamped?
must we not have stamped?
must you not have stamped?
must they not have stamped?

V-ing perfect

must I not have been stamping?
must you not have been stamping?
must she not have been stamping?
must we not have been stamping?
must you not have been stamping?
must they not have been stamping?

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