English verb conjugation COULD AUTOGRAPH

Regular verb: autograph - autographed - autographed

Affirmation

Simple form

I could autograph
you could autograph
he could autograph
we could autograph
you could autograph
they could autograph

V-ing form

I could be autographing
you could be autographing
he could be autographing
we could be autographing
you could be autographing
they could be autographing

Perfect

I could have autographed
you could have autographed
he could have autographed
we could have autographed
you could have autographed
they could have autographed

V-ing perfect

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

Negation

Simple form

I could not autograph
you could not autograph
he could not autograph
we could not autograph
you could not autograph
they could not autograph

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I autograph?
could you autograph?
could he autograph?
could we autograph?
could you autograph?
could they autograph?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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