I could dwell you could dwell she could dwell we could dwell you could dwell they could dwell
V-ing form
I could be dwelling you could be dwelling she could be dwelling we could be dwelling you could be dwelling they could be dwelling
Perfect
I could have dwelt, dwelled you could have dwelt, dwelled she could have dwelt, dwelled we could have dwelt, dwelled you could have dwelt, dwelled they could have dwelt, dwelled
V-ing perfect
I could have been dwelling you could have been dwelling she could have been dwelling we could have been dwelling you could have been dwelling they could have been dwelling
Negation
Simple form
I could not dwell you could not dwell she could not dwell we could not dwell you could not dwell they could not dwell
V-ing form
I could not be dwelling you could not be dwelling she could not be dwelling we could not be dwelling you could not be dwelling they could not be dwelling
Perfect
I could not have dwelt, dwelled you could not have dwelt, dwelled she could not have dwelt, dwelled we could not have dwelt, dwelled you could not have dwelt, dwelled they could not have dwelt, dwelled
V-ing perfect
I could not have been dwelling you could not have been dwelling she could not have been dwelling we could not have been dwelling you could not have been dwelling they could not have been dwelling
Interrogative form
Simple form
could I dwell? could you dwell? could she dwell? could we dwell? could you dwell? could they dwell?
V-ing form
could I be dwelling? could you be dwelling? could she be dwelling? could we be dwelling? could you be dwelling? could they be dwelling?
Perfect
could I have dwelt, dwelled? could you have dwelt, dwelled? could she have dwelt, dwelled? could we have dwelt, dwelled? could you have dwelt, dwelled? could they have dwelt, dwelled?
V-ing perfect
could I have been dwelling? could you have been dwelling? could she have been dwelling? could we have been dwelling? could you have been dwelling? could they have been dwelling?
Interro-negative form
Simple form
could I not dwell? could you not dwell? could she not dwell? could we not dwell? could you not dwell? could they not dwell?
V-ing form
could I not be dwelling? could you not be dwelling? could she not be dwelling? could we not be dwelling? could you not be dwelling? could they not be dwelling?
Perfect
could I not have dwelt, dwelled? could you not have dwelt, dwelled? could she not have dwelt, dwelled? could we not have dwelt, dwelled? could you not have dwelt, dwelled? could they not have dwelt, dwelled?
V-ing perfect
could I not have been dwelling? could you not have been dwelling? could she not have been dwelling? could we not have been dwelling? could you not have been dwelling? could they not have been dwelling?