English verb conjugation MUST WELCH

Regular verb: welch - welched - welched

Affirmation

Simple form

I must welch
you must welch
she must welch
we must welch
you must welch
they must welch

V-ing form

I must be welching
you must be welching
she must be welching
we must be welching
you must be welching
they must be welching

Perfect

I must have welched
you must have welched
she must have welched
we must have welched
you must have welched
they must have welched

V-ing perfect

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

Negation

Simple form

I mustn't welch
you mustn't welch
she mustn't welch
we mustn't welch
you mustn't welch
they mustn't welch

V-ing form

I mustn't be welching
you mustn't be welching
she mustn't be welching
we mustn't be welching
you mustn't be welching
they mustn't be welching

Perfect

I mustn't have welched
you mustn't have welched
she mustn't have welched
we mustn't have welched
you mustn't have welched
they mustn't have welched

V-ing perfect

I mustn't have been welching
you mustn't have been welching
she mustn't have been welching
we mustn't have been welching
you mustn't have been welching
they mustn't have been welching

Interrogative form

Simple form

must I welch?
must you welch?
must she welch?
must we welch?
must you welch?
must they welch?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

mustn't I welch?
mustn't you welch?
mustn't she welch?
mustn't we welch?
mustn't you welch?
mustn't they welch?

V-ing form

mustn't I be welching?
mustn't you be welching?
mustn't she be welching?
mustn't we be welching?
mustn't you be welching?
mustn't they be welching?

Perfect

mustn't I have welched?
mustn't you have welched?
mustn't she have welched?
mustn't we have welched?
mustn't you have welched?
mustn't they have welched?

V-ing perfect

mustn't I have been welching?
mustn't you have been welching?
mustn't she have been welching?
mustn't we have been welching?
mustn't you have been welching?
mustn't they have been welching?

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