English verb conjugation COULD PREEN

Regular verb: preen - preened - preened

Affirmation

Simple form

I could preen
you could preen
he could preen
we could preen
you could preen
they could preen

V-ing form

I could be preening
you could be preening
he could be preening
we could be preening
you could be preening
they could be preening

Perfect

I could have preened
you could have preened
he could have preened
we could have preened
you could have preened
they could have preened

V-ing perfect

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

Negation

Simple form

I could not preen
you could not preen
he could not preen
we could not preen
you could not preen
they could not preen

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I preen?
could you preen?
could he preen?
could we preen?
could you preen?
could they preen?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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