I could bawl you could bawl he could bawl we could bawl you could bawl they could bawl
V-ing form
I could be bawling you could be bawling he could be bawling we could be bawling you could be bawling they could be bawling
Perfect
I could have bawled you could have bawled he could have bawled we could have bawled you could have bawled they could have bawled
V-ing perfect
I could have been bawling you could have been bawling he could have been bawling we could have been bawling you could have been bawling they could have been bawling
Negation
Simple form
I could not bawl you could not bawl he could not bawl we could not bawl you could not bawl they could not bawl
V-ing form
I could not be bawling you could not be bawling he could not be bawling we could not be bawling you could not be bawling they could not be bawling
Perfect
I could not have bawled you could not have bawled he could not have bawled we could not have bawled you could not have bawled they could not have bawled
V-ing perfect
I could not have been bawling you could not have been bawling he could not have been bawling we could not have been bawling you could not have been bawling they could not have been bawling
Interrogative form
Simple form
could I bawl? could you bawl? could he bawl? could we bawl? could you bawl? could they bawl?
V-ing form
could I be bawling? could you be bawling? could he be bawling? could we be bawling? could you be bawling? could they be bawling?
Perfect
could I have bawled? could you have bawled? could he have bawled? could we have bawled? could you have bawled? could they have bawled?
V-ing perfect
could I have been bawling? could you have been bawling? could he have been bawling? could we have been bawling? could you have been bawling? could they have been bawling?
Interro-negative form
Simple form
could I not bawl? could you not bawl? could he not bawl? could we not bawl? could you not bawl? could they not bawl?
V-ing form
could I not be bawling? could you not be bawling? could he not be bawling? could we not be bawling? could you not be bawling? could they not be bawling?
Perfect
could I not have bawled? could you not have bawled? could he not have bawled? could we not have bawled? could you not have bawled? could they not have bawled?
V-ing perfect
could I not have been bawling? could you not have been bawling? could he not have been bawling? could we not have been bawling? could you not have been bawling? could they not have been bawling?