I could carouse you could carouse she could carouse we could carouse you could carouse they could carouse
V-ing form
I could be carousing you could be carousing she could be carousing we could be carousing you could be carousing they could be carousing
Perfect
I could have caroused you could have caroused she could have caroused we could have caroused you could have caroused they could have caroused
V-ing perfect
I could have been carousing you could have been carousing she could have been carousing we could have been carousing you could have been carousing they could have been carousing
Negation
Simple form
I could not carouse you could not carouse she could not carouse we could not carouse you could not carouse they could not carouse
V-ing form
I could not be carousing you could not be carousing she could not be carousing we could not be carousing you could not be carousing they could not be carousing
Perfect
I could not have caroused you could not have caroused she could not have caroused we could not have caroused you could not have caroused they could not have caroused
V-ing perfect
I could not have been carousing you could not have been carousing she could not have been carousing we could not have been carousing you could not have been carousing they could not have been carousing
Interrogative form
Simple form
could I carouse? could you carouse? could she carouse? could we carouse? could you carouse? could they carouse?
V-ing form
could I be carousing? could you be carousing? could she be carousing? could we be carousing? could you be carousing? could they be carousing?
Perfect
could I have caroused? could you have caroused? could she have caroused? could we have caroused? could you have caroused? could they have caroused?
V-ing perfect
could I have been carousing? could you have been carousing? could she have been carousing? could we have been carousing? could you have been carousing? could they have been carousing?
Interro-negative form
Simple form
could I not carouse? could you not carouse? could she not carouse? could we not carouse? could you not carouse? could they not carouse?
V-ing form
could I not be carousing? could you not be carousing? could she not be carousing? could we not be carousing? could you not be carousing? could they not be carousing?
Perfect
could I not have caroused? could you not have caroused? could she not have caroused? could we not have caroused? could you not have caroused? could they not have caroused?
V-ing perfect
could I not have been carousing? could you not have been carousing? could she not have been carousing? could we not have been carousing? could you not have been carousing? could they not have been carousing?