I may welter you may welter he may welter we may welter you may welter they may welter
V-ing form
I may be weltering you may be weltering he may be weltering we may be weltering you may be weltering they may be weltering
Perfect
I may have weltered you may have weltered he may have weltered we may have weltered you may have weltered they may have weltered
V-ing perfect
I may have been weltering you may have been weltering he may have been weltering we may have been weltering you may have been weltering they may have been weltering
Negation
Simple form
I may not welter you may not welter he may not welter we may not welter you may not welter they may not welter
V-ing form
I may not be weltering you may not be weltering he may not be weltering we may not be weltering you may not be weltering they may not be weltering
Perfect
I may not have weltered you may not have weltered he may not have weltered we may not have weltered you may not have weltered they may not have weltered
V-ing perfect
I may not have been weltering you may not have been weltering he may not have been weltering we may not have been weltering you may not have been weltering they may not have been weltering
Interrogative form
Simple form
may I welter? may you welter? may he welter? may we welter? may you welter? may they welter?
V-ing form
may I be weltering? may you be weltering? may he be weltering? may we be weltering? may you be weltering? may they be weltering?
Perfect
may I have weltered? may you have weltered? may he have weltered? may we have weltered? may you have weltered? may they have weltered?
V-ing perfect
may I have been weltering? may you have been weltering? may he have been weltering? may we have been weltering? may you have been weltering? may they have been weltering?
Interro-negative form
Simple form
may I not welter? may you not welter? may he not welter? may we not welter? may you not welter? may they not welter?
V-ing form
may I not be weltering? may you not be weltering? may he not be weltering? may we not be weltering? may you not be weltering? may they not be weltering?
Perfect
may I not have weltered? may you not have weltered? may he not have weltered? may we not have weltered? may you not have weltered? may they not have weltered?
V-ing perfect
may I not have been weltering? may you not have been weltering? may he not have been weltering? may we not have been weltering? may you not have been weltering? may they not have been weltering?