English verb conjugation
COULD CURETTE

Regular verb: curette - curetted - curetted

Affirmation

Simple form	V-ing form
I could curette you could curette she could curette we could curette you could curette they could curette	I could be curetting you could be curetting she could be curetting we could be curetting you could be curetting they could be curetting
Perfect	V-ing perfect
I could have curetted you could have curetted she could have curetted we could have curetted you could have curetted they could have curetted	I could have been curetting you could have been curetting she could have been curetting we could have been curetting you could have been curetting they could have been curetting

Negation

Simple form	V-ing form
I could not curette you could not curette she could not curette we could not curette you could not curette they could not curette	I could not be curetting you could not be curetting she could not be curetting we could not be curetting you could not be curetting they could not be curetting
Perfect	V-ing perfect
I could not have curetted you could not have curetted she could not have curetted we could not have curetted you could not have curetted they could not have curetted	I could not have been curetting you could not have been curetting she could not have been curetting we could not have been curetting you could not have been curetting they could not have been curetting

Interrogative form

Simple form	V-ing form
could I curette? could you curette? could she curette? could we curette? could you curette? could they curette?	could I be curetting? could you be curetting? could she be curetting? could we be curetting? could you be curetting? could they be curetting?
Perfect	V-ing perfect
could I have curetted? could you have curetted? could she have curetted? could we have curetted? could you have curetted? could they have curetted?	could I have been curetting? could you have been curetting? could she have been curetting? could we have been curetting? could you have been curetting? could they have been curetting?

Interro-negative form

Simple form	V-ing form
could I not curette? could you not curette? could she not curette? could we not curette? could you not curette? could they not curette?	could I not be curetting? could you not be curetting? could she not be curetting? could we not be curetting? could you not be curetting? could they not be curetting?
Perfect	V-ing perfect
could I not have curetted? could you not have curetted? could she not have curetted? could we not have curetted? could you not have curetted? could they not have curetted?	could I not have been curetting? could you not have been curetting? could she not have been curetting? could we not have been curetting? could you not have been curetting? could they not have been curetting?