I may vomit you may vomit he may vomit we may vomit you may vomit they may vomit
V-ing form
I may be vomiting you may be vomiting he may be vomiting we may be vomiting you may be vomiting they may be vomiting
Perfect
I may have vomited you may have vomited he 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 he 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 he 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 he 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 he 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 he 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 he vomit? may we vomit? may you vomit? may they vomit?
V-ing form
may I be vomiting? may you be vomiting? may he be vomiting? may we be vomiting? may you be vomiting? may they be vomiting?
Perfect
may I have vomited? may you have vomited? may he 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 he 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 he 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 he 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 he 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 he not have been vomiting? may we not have been vomiting? may you not have been vomiting? may they not have been vomiting?