I could capsise you could capsise he could capsise we could capsise you could capsise they could capsise
V-ing form
I could be capsising you could be capsising he could be capsising we could be capsising you could be capsising they could be capsising
Perfect
I could have capsised you could have capsised he could have capsised we could have capsised you could have capsised they could have capsised
V-ing perfect
I could have been capsising you could have been capsising he could have been capsising we could have been capsising you could have been capsising they could have been capsising
Negation
Simple form
I could not capsise you could not capsise he could not capsise we could not capsise you could not capsise they could not capsise
V-ing form
I could not be capsising you could not be capsising he could not be capsising we could not be capsising you could not be capsising they could not be capsising
Perfect
I could not have capsised you could not have capsised he could not have capsised we could not have capsised you could not have capsised they could not have capsised
V-ing perfect
I could not have been capsising you could not have been capsising he could not have been capsising we could not have been capsising you could not have been capsising they could not have been capsising
Interrogative form
Simple form
could I capsise? could you capsise? could he capsise? could we capsise? could you capsise? could they capsise?
V-ing form
could I be capsising? could you be capsising? could he be capsising? could we be capsising? could you be capsising? could they be capsising?
Perfect
could I have capsised? could you have capsised? could he have capsised? could we have capsised? could you have capsised? could they have capsised?
V-ing perfect
could I have been capsising? could you have been capsising? could he have been capsising? could we have been capsising? could you have been capsising? could they have been capsising?
Interro-negative form
Simple form
could I not capsise? could you not capsise? could he not capsise? could we not capsise? could you not capsise? could they not capsise?
V-ing form
could I not be capsising? could you not be capsising? could he not be capsising? could we not be capsising? could you not be capsising? could they not be capsising?
Perfect
could I not have capsised? could you not have capsised? could he not have capsised? could we not have capsised? could you not have capsised? could they not have capsised?
V-ing perfect
could I not have been capsising? could you not have been capsising? could he not have been capsising? could we not have been capsising? could you not have been capsising? could they not have been capsising?