I may steamroll you may steamroll she may steamroll we may steamroll you may steamroll they may steamroll
V-ing form
I may be steamrolling you may be steamrolling she may be steamrolling we may be steamrolling you may be steamrolling they may be steamrolling
Perfect
I may have steamrolled you may have steamrolled she may have steamrolled we may have steamrolled you may have steamrolled they may have steamrolled
V-ing perfect
I may have been steamrolling you may have been steamrolling she may have been steamrolling we may have been steamrolling you may have been steamrolling they may have been steamrolling
Negation
Simple form
I mayn't steamroll you mayn't steamroll she mayn't steamroll we mayn't steamroll you mayn't steamroll they mayn't steamroll
V-ing form
I mayn't be steamrolling you mayn't be steamrolling she mayn't be steamrolling we mayn't be steamrolling you mayn't be steamrolling they mayn't be steamrolling
Perfect
I mayn't have steamrolled you mayn't have steamrolled she mayn't have steamrolled we mayn't have steamrolled you mayn't have steamrolled they mayn't have steamrolled
V-ing perfect
I mayn't have been steamrolling you mayn't have been steamrolling she mayn't have been steamrolling we mayn't have been steamrolling you mayn't have been steamrolling they mayn't have been steamrolling
Interrogative form
Simple form
may I steamroll? may you steamroll? may she steamroll? may we steamroll? may you steamroll? may they steamroll?
V-ing form
may I be steamrolling? may you be steamrolling? may she be steamrolling? may we be steamrolling? may you be steamrolling? may they be steamrolling?
Perfect
may I have steamrolled? may you have steamrolled? may she have steamrolled? may we have steamrolled? may you have steamrolled? may they have steamrolled?
V-ing perfect
may I have been steamrolling? may you have been steamrolling? may she have been steamrolling? may we have been steamrolling? may you have been steamrolling? may they have been steamrolling?
Interro-negative form
Simple form
mayn't I steamroll? mayn't you steamroll? mayn't she steamroll? mayn't we steamroll? mayn't you steamroll? mayn't they steamroll?
V-ing form
mayn't I be steamrolling? mayn't you be steamrolling? mayn't she be steamrolling? mayn't we be steamrolling? mayn't you be steamrolling? mayn't they be steamrolling?
Perfect
mayn't I have steamrolled? mayn't you have steamrolled? mayn't she have steamrolled? mayn't we have steamrolled? mayn't you have steamrolled? mayn't they have steamrolled?
V-ing perfect
mayn't I have been steamrolling? mayn't you have been steamrolling? mayn't she have been steamrolling? mayn't we have been steamrolling? mayn't you have been steamrolling? mayn't they have been steamrolling?