English verb conjugation MUST SHIVER

Regular verb: shiver - shivered - shivered

Affirmation

Simple form

I must shiver
you must shiver
he must shiver
we must shiver
you must shiver
they must shiver

V-ing form

I must be shivering
you must be shivering
he must be shivering
we must be shivering
you must be shivering
they must be shivering

Perfect

I must have shivered
you must have shivered
he 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
he 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
he 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
he 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
he 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
he 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 he shiver?
must we shiver?
must you shiver?
must they shiver?

V-ing form

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

Perfect

must I have shivered?
must you have shivered?
must he 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 he 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 he 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 he 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 he 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 he 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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