I could repine you could repine he could repine we could repine you could repine they could repine
V-ing form
I could be repining you could be repining he could be repining we could be repining you could be repining they could be repining
Perfect
I could have repined you could have repined he 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 he could have been repining we could have been repining you could have been repining they could have been repining
Negation
Simple form
I couldn't repine you couldn't repine he couldn't repine we couldn't repine you couldn't repine they couldn't repine
V-ing form
I couldn't be repining you couldn't be repining he couldn't be repining we couldn't be repining you couldn't be repining they couldn't be repining
Perfect
I couldn't have repined you couldn't have repined he couldn't have repined we couldn't have repined you couldn't have repined they couldn't have repined
V-ing perfect
I couldn't have been repining you couldn't have been repining he couldn't have been repining we couldn't have been repining you couldn't have been repining they couldn't have been repining
Interrogative form
Simple form
could I repine? could you repine? could he repine? could we repine? could you repine? could they repine?
V-ing form
could I be repining? could you be repining? could he be repining? could we be repining? could you be repining? could they be repining?
Perfect
could I have repined? could you have repined? could he 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 he have been repining? could we have been repining? could you have been repining? could they have been repining?
Interro-negative form
Simple form
couldn't I repine? couldn't you repine? couldn't he repine? couldn't we repine? couldn't you repine? couldn't they repine?
V-ing form
couldn't I be repining? couldn't you be repining? couldn't he be repining? couldn't we be repining? couldn't you be repining? couldn't they be repining?
Perfect
couldn't I have repined? couldn't you have repined? couldn't he have repined? couldn't we have repined? couldn't you have repined? couldn't they have repined?
V-ing perfect
couldn't I have been repining? couldn't you have been repining? couldn't he have been repining? couldn't we have been repining? couldn't you have been repining? couldn't they have been repining?