English verb conjugation MUST SHIVER

Regular verb: shiver - shivered - shivered

Affirmation

Simple form

I must shiver
you must shiver
she must shiver
we must shiver
you must shiver
they must shiver

V-ing form

I must be shivering
you must be shivering
she must be shivering
we must be shivering
you must be shivering
they must be shivering

Perfect

I must have shivered
you must have shivered
she must have shivered
we must have shivered
you must have shivered
they must have shivered

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I shiver?
must you shiver?
must she shiver?
must we shiver?
must you shiver?
must they shiver?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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