I may switch you may switch he may switch we may switch you may switch they may switch
V-ing form
I may be switching you may be switching he may be switching we may be switching you may be switching they may be switching
Perfect
I may have switched you may have switched he may have switched we may have switched you may have switched they may have switched
V-ing perfect
I may have been switching you may have been switching he may have been switching we may have been switching you may have been switching they may have been switching
Negation
Simple form
I may not switch you may not switch he may not switch we may not switch you may not switch they may not switch
V-ing form
I may not be switching you may not be switching he may not be switching we may not be switching you may not be switching they may not be switching
Perfect
I may not have switched you may not have switched he may not have switched we may not have switched you may not have switched they may not have switched
V-ing perfect
I may not have been switching you may not have been switching he may not have been switching we may not have been switching you may not have been switching they may not have been switching
Interrogative form
Simple form
may I switch? may you switch? may he switch? may we switch? may you switch? may they switch?
V-ing form
may I be switching? may you be switching? may he be switching? may we be switching? may you be switching? may they be switching?
Perfect
may I have switched? may you have switched? may he have switched? may we have switched? may you have switched? may they have switched?
V-ing perfect
may I have been switching? may you have been switching? may he have been switching? may we have been switching? may you have been switching? may they have been switching?
Interro-negative form
Simple form
may I not switch? may you not switch? may he not switch? may we not switch? may you not switch? may they not switch?
V-ing form
may I not be switching? may you not be switching? may he not be switching? may we not be switching? may you not be switching? may they not be switching?
Perfect
may I not have switched? may you not have switched? may he not have switched? may we not have switched? may you not have switched? may they not have switched?
V-ing perfect
may I not have been switching? may you not have been switching? may he not have been switching? may we not have been switching? may you not have been switching? may they not have been switching?