English verb conjugation MUST MUTTER

Regular verb: mutter - muttered - muttered

Affirmation

Simple form

I must mutter
you must mutter
she must mutter
we must mutter
you must mutter
they must mutter

V-ing form

I must be muttering
you must be muttering
she must be muttering
we must be muttering
you must be muttering
they must be muttering

Perfect

I must have muttered
you must have muttered
she must have muttered
we must have muttered
you must have muttered
they must have muttered

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I mutter?
must you mutter?
must she mutter?
must we mutter?
must you mutter?
must they mutter?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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