English verb conjugation COULD STAMMER

Regular verb: stammer - stammered - stammered

Affirmation

Simple form

I could stammer
you could stammer
he could stammer
we could stammer
you could stammer
they could stammer

V-ing form

I could be stammering
you could be stammering
he could be stammering
we could be stammering
you could be stammering
they could be stammering

Perfect

I could have stammered
you could have stammered
he could have stammered
we could have stammered
you could have stammered
they could have stammered

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I stammer?
could you stammer?
could he stammer?
could we stammer?
could you stammer?
could they stammer?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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