English verb conjugation COULD SELL

Irregular verb: sell - sold - sold


Affirmation

Simple form

I could sell
you could sell
he could sell
we could sell
you could sell
they could sell

V-ing form

I could be selling
you could be selling
he could be selling
we could be selling
you could be selling
they could be selling

Perfect

I could have sold
you could have sold
he could have sold
we could have sold
you could have sold
they could have sold

V-ing perfect

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

Negation

Simple form

I could not sell
you could not sell
he could not sell
we could not sell
you could not sell
they could not sell

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I sell?
could you sell?
could he sell?
could we sell?
could you sell?
could they sell?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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