English verb conjugation COULD WINDSURF

Regular verb: windsurf - windsurfed - windsurfed

Affirmation

Simple form

I could windsurf
you could windsurf
he could windsurf
we could windsurf
you could windsurf
they could windsurf

V-ing form

I could be windsurfing
you could be windsurfing
he could be windsurfing
we could be windsurfing
you could be windsurfing
they could be windsurfing

Perfect

I could have windsurfed
you could have windsurfed
he could have windsurfed
we could have windsurfed
you could have windsurfed
they could have windsurfed

V-ing perfect

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

Negation

Simple form

I could not windsurf
you could not windsurf
he could not windsurf
we could not windsurf
you could not windsurf
they could not windsurf

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I windsurf?
could you windsurf?
could he windsurf?
could we windsurf?
could you windsurf?
could they windsurf?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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