English verb conjugation COULD SURFBOARD

Regular verb: surfboard - surfboarded - surfboarded

Affirmation

Simple form

I could surfboard
you could surfboard
he could surfboard
we could surfboard
you could surfboard
they could surfboard

V-ing form

I could be surfboarding
you could be surfboarding
he could be surfboarding
we could be surfboarding
you could be surfboarding
they could be surfboarding

Perfect

I could have surfboarded
you could have surfboarded
he could have surfboarded
we could have surfboarded
you could have surfboarded
they could have surfboarded

V-ing perfect

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

Negation

Simple form

I could not surfboard
you could not surfboard
he could not surfboard
we could not surfboard
you could not surfboard
they could not surfboard

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I surfboard?
could you surfboard?
could he surfboard?
could we surfboard?
could you surfboard?
could they surfboard?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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