I could repeat you could repeat she could repeat we could repeat you could repeat they could repeat
V-ing form
I could be repeating you could be repeating she could be repeating we could be repeating you could be repeating they could be repeating
Perfect
I could have repeated you could have repeated she could have repeated we could have repeated you could have repeated they could have repeated
V-ing perfect
I could have been repeating you could have been repeating she could have been repeating we could have been repeating you could have been repeating they could have been repeating
Negation
Simple form
I could not repeat you could not repeat she could not repeat we could not repeat you could not repeat they could not repeat
V-ing form
I could not be repeating you could not be repeating she could not be repeating we could not be repeating you could not be repeating they could not be repeating
Perfect
I could not have repeated you could not have repeated she could not have repeated we could not have repeated you could not have repeated they could not have repeated
V-ing perfect
I could not have been repeating you could not have been repeating she could not have been repeating we could not have been repeating you could not have been repeating they could not have been repeating
Interrogative form
Simple form
could I repeat? could you repeat? could she repeat? could we repeat? could you repeat? could they repeat?
V-ing form
could I be repeating? could you be repeating? could she be repeating? could we be repeating? could you be repeating? could they be repeating?
Perfect
could I have repeated? could you have repeated? could she have repeated? could we have repeated? could you have repeated? could they have repeated?
V-ing perfect
could I have been repeating? could you have been repeating? could she have been repeating? could we have been repeating? could you have been repeating? could they have been repeating?
Interro-negative form
Simple form
could I not repeat? could you not repeat? could she not repeat? could we not repeat? could you not repeat? could they not repeat?
V-ing form
could I not be repeating? could you not be repeating? could she not be repeating? could we not be repeating? could you not be repeating? could they not be repeating?
Perfect
could I not have repeated? could you not have repeated? could she not have repeated? could we not have repeated? could you not have repeated? could they not have repeated?
V-ing perfect
could I not have been repeating? could you not have been repeating? could she not have been repeating? could we not have been repeating? could you not have been repeating? could they not have been repeating?