I may vomit you may vomit she may vomit we may vomit you may vomit they may vomit
V-ing form
I may be vomiting you may be vomiting she may be vomiting we may be vomiting you may be vomiting they may be vomiting
Perfect
I may have vomited you may have vomited she may have vomited we may have vomited you may have vomited they may have vomited
V-ing perfect
I may have been vomiting you may have been vomiting she may have been vomiting we may have been vomiting you may have been vomiting they may have been vomiting
Negation
Simple form
I may not vomit you may not vomit she may not vomit we may not vomit you may not vomit they may not vomit
V-ing form
I may not be vomiting you may not be vomiting she may not be vomiting we may not be vomiting you may not be vomiting they may not be vomiting
Perfect
I may not have vomited you may not have vomited she may not have vomited we may not have vomited you may not have vomited they may not have vomited
V-ing perfect
I may not have been vomiting you may not have been vomiting she may not have been vomiting we may not have been vomiting you may not have been vomiting they may not have been vomiting
Interrogative form
Simple form
may I vomit? may you vomit? may she vomit? may we vomit? may you vomit? may they vomit?
V-ing form
may I be vomiting? may you be vomiting? may she be vomiting? may we be vomiting? may you be vomiting? may they be vomiting?
Perfect
may I have vomited? may you have vomited? may she have vomited? may we have vomited? may you have vomited? may they have vomited?
V-ing perfect
may I have been vomiting? may you have been vomiting? may she have been vomiting? may we have been vomiting? may you have been vomiting? may they have been vomiting?
Interro-negative form
Simple form
may I not vomit? may you not vomit? may she not vomit? may we not vomit? may you not vomit? may they not vomit?
V-ing form
may I not be vomiting? may you not be vomiting? may she not be vomiting? may we not be vomiting? may you not be vomiting? may they not be vomiting?
Perfect
may I not have vomited? may you not have vomited? may she not have vomited? may we not have vomited? may you not have vomited? may they not have vomited?
V-ing perfect
may I not have been vomiting? may you not have been vomiting? may she not have been vomiting? may we not have been vomiting? may you not have been vomiting? may they not have been vomiting?