English verb conjugation COULD SHIVER

Regular verb: shiver - shivered - shivered

Affirmation

Simple form

I could shiver
you could shiver
he could shiver
we could shiver
you could shiver
they could shiver

V-ing form

I could be shivering
you could be shivering
he could be shivering
we could be shivering
you could be shivering
they could be shivering

Perfect

I could have shivered
you could have shivered
he could have shivered
we could have shivered
you could have shivered
they could have shivered

V-ing perfect

I could have been shivering
you could have been shivering
he could have been shivering
we could have been shivering
you could have been shivering
they could have been shivering

Negation

Simple form

I couldn't shiver
you couldn't shiver
he couldn't shiver
we couldn't shiver
you couldn't shiver
they couldn't shiver

V-ing form

I couldn't be shivering
you couldn't be shivering
he couldn't be shivering
we couldn't be shivering
you couldn't be shivering
they couldn't be shivering

Perfect

I couldn't have shivered
you couldn't have shivered
he couldn't have shivered
we couldn't have shivered
you couldn't have shivered
they couldn't have shivered

V-ing perfect

I couldn't have been shivering
you couldn't have been shivering
he couldn't have been shivering
we couldn't have been shivering
you couldn't have been shivering
they couldn't have been shivering

Interrogative form

Simple form

could I shiver?
could you shiver?
could he shiver?
could we shiver?
could you shiver?
could they shiver?

V-ing form

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

Perfect

could I have shivered?
could you have shivered?
could he have shivered?
could we have shivered?
could you have shivered?
could they have shivered?

V-ing perfect

could I have been shivering?
could you have been shivering?
could he have been shivering?
could we have been shivering?
could you have been shivering?
could they have been shivering?

Interro-negative form

Simple form

couldn't I shiver?
couldn't you shiver?
couldn't he shiver?
couldn't we shiver?
couldn't you shiver?
couldn't they shiver?

V-ing form

couldn't I be shivering?
couldn't you be shivering?
couldn't he be shivering?
couldn't we be shivering?
couldn't you be shivering?
couldn't they be shivering?

Perfect

couldn't I have shivered?
couldn't you have shivered?
couldn't he have shivered?
couldn't we have shivered?
couldn't you have shivered?
couldn't they have shivered?

V-ing perfect

couldn't I have been shivering?
couldn't you have been shivering?
couldn't he have been shivering?
couldn't we have been shivering?
couldn't you have been shivering?
couldn't they have been shivering?

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