I could steamroll you could steamroll she could steamroll we could steamroll you could steamroll they could steamroll
V-ing form
I could be steamrolling you could be steamrolling she could be steamrolling we could be steamrolling you could be steamrolling they could be steamrolling
Perfect
I could have steamrolled you could have steamrolled she could have steamrolled we could have steamrolled you could have steamrolled they could have steamrolled
V-ing perfect
I could have been steamrolling you could have been steamrolling she could have been steamrolling we could have been steamrolling you could have been steamrolling they could have been steamrolling
Negation
Simple form
I could not steamroll you could not steamroll she could not steamroll we could not steamroll you could not steamroll they could not steamroll
V-ing form
I could not be steamrolling you could not be steamrolling she could not be steamrolling we could not be steamrolling you could not be steamrolling they could not be steamrolling
Perfect
I could not have steamrolled you could not have steamrolled she could not have steamrolled we could not have steamrolled you could not have steamrolled they could not have steamrolled
V-ing perfect
I could not have been steamrolling you could not have been steamrolling she could not have been steamrolling we could not have been steamrolling you could not have been steamrolling they could not have been steamrolling
Interrogative form
Simple form
could I steamroll? could you steamroll? could she steamroll? could we steamroll? could you steamroll? could they steamroll?
V-ing form
could I be steamrolling? could you be steamrolling? could she be steamrolling? could we be steamrolling? could you be steamrolling? could they be steamrolling?
Perfect
could I have steamrolled? could you have steamrolled? could she have steamrolled? could we have steamrolled? could you have steamrolled? could they have steamrolled?
V-ing perfect
could I have been steamrolling? could you have been steamrolling? could she have been steamrolling? could we have been steamrolling? could you have been steamrolling? could they have been steamrolling?
Interro-negative form
Simple form
could I not steamroll? could you not steamroll? could she not steamroll? could we not steamroll? could you not steamroll? could they not steamroll?
V-ing form
could I not be steamrolling? could you not be steamrolling? could she not be steamrolling? could we not be steamrolling? could you not be steamrolling? could they not be steamrolling?
Perfect
could I not have steamrolled? could you not have steamrolled? could she not have steamrolled? could we not have steamrolled? could you not have steamrolled? could they not have steamrolled?
V-ing perfect
could I not have been steamrolling? could you not have been steamrolling? could she not have been steamrolling? could we not have been steamrolling? could you not have been steamrolling? could they not have been steamrolling?