English verb conjugation COULD ROUGH

Regular verb: rough - roughed - roughed

Affirmation

Simple form

I could rough
you could rough
he could rough
we could rough
you could rough
they could rough

V-ing form

I could be roughing
you could be roughing
he could be roughing
we could be roughing
you could be roughing
they could be roughing

Perfect

I could have roughed
you could have roughed
he could have roughed
we could have roughed
you could have roughed
they could have roughed

V-ing perfect

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

Negation

Simple form

I could not rough
you could not rough
he could not rough
we could not rough
you could not rough
they could not rough

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I rough?
could you rough?
could he rough?
could we rough?
could you rough?
could they rough?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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