English verb conjugation MUST FITTER

Regular verb: fitter - fittered - fittered

Affirmation

Simple form

I must fitter
you must fitter
he must fitter
we must fitter
you must fitter
they must fitter

V-ing form

I must be fittering
you must be fittering
he must be fittering
we must be fittering
you must be fittering
they must be fittering

Perfect

I must have fittered
you must have fittered
he must have fittered
we must have fittered
you must have fittered
they must have fittered

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I fitter?
must you fitter?
must he fitter?
must we fitter?
must you fitter?
must they fitter?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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