English verb conjugation
COULD COME

Irregular verb: come - came - come

Affirmation

Simple form	V-ing form
I could come you could come she could come we could come you could come they could come	I could be coming you could be coming she could be coming we could be coming you could be coming they could be coming
Perfect	V-ing perfect
I could have come you could have come she could have come we could have come you could have come they could have come	I could have been coming you could have been coming she could have been coming we could have been coming you could have been coming they could have been coming

Negation

Simple form	V-ing form
I could not come you could not come she could not come we could not come you could not come they could not come	I could not be coming you could not be coming she could not be coming we could not be coming you could not be coming they could not be coming
Perfect	V-ing perfect
I could not have come you could not have come she could not have come we could not have come you could not have come they could not have come	I could not have been coming you could not have been coming she could not have been coming we could not have been coming you could not have been coming they could not have been coming

Interrogative form

Simple form	V-ing form
could I come? could you come? could she come? could we come? could you come? could they come?	could I be coming? could you be coming? could she be coming? could we be coming? could you be coming? could they be coming?
Perfect	V-ing perfect
could I have come? could you have come? could she have come? could we have come? could you have come? could they have come?	could I have been coming? could you have been coming? could she have been coming? could we have been coming? could you have been coming? could they have been coming?

Interro-negative form

Simple form	V-ing form
could I not come? could you not come? could she not come? could we not come? could you not come? could they not come?	could I not be coming? could you not be coming? could she not be coming? could we not be coming? could you not be coming? could they not be coming?
Perfect	V-ing perfect
could I not have come? could you not have come? could she not have come? could we not have come? could you not have come? could they not have come?	could I not have been coming? could you not have been coming? could she not have been coming? could we not have been coming? could you not have been coming? could they not have been coming?