English verb conjugation COULD WINDSURF

Regular verb: windsurf - windsurfed - windsurfed

Affirmation

Simple form

I could windsurf
you could windsurf
she could windsurf
we could windsurf
you could windsurf
they could windsurf

V-ing form

I could be windsurfing
you could be windsurfing
she could be windsurfing
we could be windsurfing
you could be windsurfing
they could be windsurfing

Perfect

I could have windsurfed
you could have windsurfed
she 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
she could have been windsurfing
we could have been windsurfing
you could have been windsurfing
they could have been windsurfing

Negation

Simple form

I couldn't windsurf
you couldn't windsurf
she couldn't windsurf
we couldn't windsurf
you couldn't windsurf
they couldn't windsurf

V-ing form

I couldn't be windsurfing
you couldn't be windsurfing
she couldn't be windsurfing
we couldn't be windsurfing
you couldn't be windsurfing
they couldn't be windsurfing

Perfect

I couldn't have windsurfed
you couldn't have windsurfed
she couldn't have windsurfed
we couldn't have windsurfed
you couldn't have windsurfed
they couldn't have windsurfed

V-ing perfect

I couldn't have been windsurfing
you couldn't have been windsurfing
she couldn't have been windsurfing
we couldn't have been windsurfing
you couldn't have been windsurfing
they couldn't have been windsurfing

Interrogative form

Simple form

could I windsurf?
could you windsurf?
could she windsurf?
could we windsurf?
could you windsurf?
could they windsurf?

V-ing form

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

Perfect

could I have windsurfed?
could you have windsurfed?
could she 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 she have been windsurfing?
could we have been windsurfing?
could you have been windsurfing?
could they have been windsurfing?

Interro-negative form

Simple form

couldn't I windsurf?
couldn't you windsurf?
couldn't she windsurf?
couldn't we windsurf?
couldn't you windsurf?
couldn't they windsurf?

V-ing form

couldn't I be windsurfing?
couldn't you be windsurfing?
couldn't she be windsurfing?
couldn't we be windsurfing?
couldn't you be windsurfing?
couldn't they be windsurfing?

Perfect

couldn't I have windsurfed?
couldn't you have windsurfed?
couldn't she have windsurfed?
couldn't we have windsurfed?
couldn't you have windsurfed?
couldn't they have windsurfed?

V-ing perfect

couldn't I have been windsurfing?
couldn't you have been windsurfing?
couldn't she have been windsurfing?
couldn't we have been windsurfing?
couldn't you have been windsurfing?
couldn't they have been windsurfing?

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