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 couldn't rough
you couldn't rough
he couldn't rough
we couldn't rough
you couldn't rough
they couldn't rough

V-ing form

I couldn't be roughing
you couldn't be roughing
he couldn't be roughing
we couldn't be roughing
you couldn't be roughing
they couldn't be roughing

Perfect

I couldn't have roughed
you couldn't have roughed
he couldn't have roughed
we couldn't have roughed
you couldn't have roughed
they couldn't have roughed

V-ing perfect

I couldn't have been roughing
you couldn't have been roughing
he couldn't have been roughing
we couldn't have been roughing
you couldn't have been roughing
they couldn't 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

couldn't I rough?
couldn't you rough?
couldn't he rough?
couldn't we rough?
couldn't you rough?
couldn't they rough?

V-ing form

couldn't I be roughing?
couldn't you be roughing?
couldn't he be roughing?
couldn't we be roughing?
couldn't you be roughing?
couldn't they be roughing?

Perfect

couldn't I have roughed?
couldn't you have roughed?
couldn't he have roughed?
couldn't we have roughed?
couldn't you have roughed?
couldn't they have roughed?

V-ing perfect

couldn't I have been roughing?
couldn't you have been roughing?
couldn't he have been roughing?
couldn't we have been roughing?
couldn't you have been roughing?
couldn't they have been roughing?

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