I could repine you could repine she could repine we could repine you could repine they could repine
V-ing form
I could be repining you could be repining she could be repining we could be repining you could be repining they could be repining
Perfect
I could have repined you could have repined she could have repined we could have repined you could have repined they could have repined
V-ing perfect
I could have been repining you could have been repining she could have been repining we could have been repining you could have been repining they could have been repining
Negation
Simple form
I could not repine you could not repine she could not repine we could not repine you could not repine they could not repine
V-ing form
I could not be repining you could not be repining she could not be repining we could not be repining you could not be repining they could not be repining
Perfect
I could not have repined you could not have repined she could not have repined we could not have repined you could not have repined they could not have repined
V-ing perfect
I could not have been repining you could not have been repining she could not have been repining we could not have been repining you could not have been repining they could not have been repining
Interrogative form
Simple form
could I repine? could you repine? could she repine? could we repine? could you repine? could they repine?
V-ing form
could I be repining? could you be repining? could she be repining? could we be repining? could you be repining? could they be repining?
Perfect
could I have repined? could you have repined? could she have repined? could we have repined? could you have repined? could they have repined?
V-ing perfect
could I have been repining? could you have been repining? could she have been repining? could we have been repining? could you have been repining? could they have been repining?
Interro-negative form
Simple form
could I not repine? could you not repine? could she not repine? could we not repine? could you not repine? could they not repine?
V-ing form
could I not be repining? could you not be repining? could she not be repining? could we not be repining? could you not be repining? could they not be repining?
Perfect
could I not have repined? could you not have repined? could she not have repined? could we not have repined? could you not have repined? could they not have repined?
V-ing perfect
could I not have been repining? could you not have been repining? could she not have been repining? could we not have been repining? could you not have been repining? could they not have been repining?