English verb conjugation MUST GUFFAW

Regular verb: guffaw - guffawed - guffawed

Affirmation

Simple form

I must guffaw
you must guffaw
she must guffaw
we must guffaw
you must guffaw
they must guffaw

V-ing form

I must be guffawing
you must be guffawing
she must be guffawing
we must be guffawing
you must be guffawing
they must be guffawing

Perfect

I must have guffawed
you must have guffawed
she must have guffawed
we must have guffawed
you must have guffawed
they must have guffawed

V-ing perfect

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

Negation

Simple form

I must not guffaw
you must not guffaw
she must not guffaw
we must not guffaw
you must not guffaw
they must not guffaw

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I guffaw?
must you guffaw?
must she guffaw?
must we guffaw?
must you guffaw?
must they guffaw?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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