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 couldn't sell
you couldn't sell
he couldn't sell
we couldn't sell
you couldn't sell
they couldn't sell

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

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