English verb conjugation MUST SHUDDER

Regular verb: shudder - shuddered - shuddered

Affirmation

Simple form

I must shudder
you must shudder
she must shudder
we must shudder
you must shudder
they must shudder

V-ing form

I must be shuddering
you must be shuddering
she must be shuddering
we must be shuddering
you must be shuddering
they must be shuddering

Perfect

I must have shuddered
you must have shuddered
she must have shuddered
we must have shuddered
you must have shuddered
they must have shuddered

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I shudder?
must you shudder?
must she shudder?
must we shudder?
must you shudder?
must they shudder?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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