I may fitter you may fitter she may fitter we may fitter you may fitter they may fitter
V-ing form
I may be fittering you may be fittering she may be fittering we may be fittering you may be fittering they may be fittering
Perfect
I may have fittered you may have fittered she may have fittered we may have fittered you may have fittered they may have fittered
V-ing perfect
I may have been fittering you may have been fittering she may have been fittering we may have been fittering you may have been fittering they may have been fittering
Negation
Simple form
I may not fitter you may not fitter she may not fitter we may not fitter you may not fitter they may not fitter
V-ing form
I may not be fittering you may not be fittering she may not be fittering we may not be fittering you may not be fittering they may not be fittering
Perfect
I may not have fittered you may not have fittered she may not have fittered we may not have fittered you may not have fittered they may not have fittered
V-ing perfect
I may not have been fittering you may not have been fittering she may not have been fittering we may not have been fittering you may not have been fittering they may not have been fittering
Interrogative form
Simple form
may I fitter? may you fitter? may she fitter? may we fitter? may you fitter? may they fitter?
V-ing form
may I be fittering? may you be fittering? may she be fittering? may we be fittering? may you be fittering? may they be fittering?
Perfect
may I have fittered? may you have fittered? may she have fittered? may we have fittered? may you have fittered? may they have fittered?
V-ing perfect
may I have been fittering? may you have been fittering? may she have been fittering? may we have been fittering? may you have been fittering? may they have been fittering?
Interro-negative form
Simple form
may I not fitter? may you not fitter? may she not fitter? may we not fitter? may you not fitter? may they not fitter?
V-ing form
may I not be fittering? may you not be fittering? may she not be fittering? may we not be fittering? may you not be fittering? may they not be fittering?
Perfect
may I not have fittered? may you not have fittered? may she not have fittered? may we not have fittered? may you not have fittered? may they not have fittered?
V-ing perfect
may I not have been fittering? may you not have been fittering? may she not have been fittering? may we not have been fittering? may you not have been fittering? may they not have been fittering?