English verb conjugation COULD HAMMER

Regular verb: hammer - hammered - hammered

Affirmation

Simple form

I could hammer
you could hammer
he could hammer
we could hammer
you could hammer
they could hammer

V-ing form

I could be hammering
you could be hammering
he could be hammering
we could be hammering
you could be hammering
they could be hammering

Perfect

I could have hammered
you could have hammered
he could have hammered
we could have hammered
you could have hammered
they could have hammered

V-ing perfect

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

Negation

Simple form

I could not hammer
you could not hammer
he could not hammer
we could not hammer
you could not hammer
they could not hammer

V-ing form

I could not be hammering
you could not be hammering
he could not be hammering
we could not be hammering
you could not be hammering
they could not be hammering

Perfect

I could not have hammered
you could not have hammered
he could not have hammered
we could not have hammered
you could not have hammered
they could not have hammered

V-ing perfect

I could not have been hammering
you could not have been hammering
he could not have been hammering
we could not have been hammering
you could not have been hammering
they could not have been hammering

Interrogative form

Simple form

could I hammer?
could you hammer?
could he hammer?
could we hammer?
could you hammer?
could they hammer?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not hammer?
could you not hammer?
could he not hammer?
could we not hammer?
could you not hammer?
could they not hammer?

V-ing form

could I not be hammering?
could you not be hammering?
could he not be hammering?
could we not be hammering?
could you not be hammering?
could they not be hammering?

Perfect

could I not have hammered?
could you not have hammered?
could he not have hammered?
could we not have hammered?
could you not have hammered?
could they not have hammered?

V-ing perfect

could I not have been hammering?
could you not have been hammering?
could he not have been hammering?
could we not have been hammering?
could you not have been hammering?
could they not have been hammering?

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