I may alternate you may alternate he may alternate we may alternate you may alternate they may alternate
V-ing form
I may be alternating you may be alternating he may be alternating we may be alternating you may be alternating they may be alternating
Perfect
I may have alternated you may have alternated he may have alternated we may have alternated you may have alternated they may have alternated
V-ing perfect
I may have been alternating you may have been alternating he may have been alternating we may have been alternating you may have been alternating they may have been alternating
Negation
Simple form
I may not alternate you may not alternate he may not alternate we may not alternate you may not alternate they may not alternate
V-ing form
I may not be alternating you may not be alternating he may not be alternating we may not be alternating you may not be alternating they may not be alternating
Perfect
I may not have alternated you may not have alternated he may not have alternated we may not have alternated you may not have alternated they may not have alternated
V-ing perfect
I may not have been alternating you may not have been alternating he may not have been alternating we may not have been alternating you may not have been alternating they may not have been alternating
Interrogative form
Simple form
may I alternate? may you alternate? may he alternate? may we alternate? may you alternate? may they alternate?
V-ing form
may I be alternating? may you be alternating? may he be alternating? may we be alternating? may you be alternating? may they be alternating?
Perfect
may I have alternated? may you have alternated? may he have alternated? may we have alternated? may you have alternated? may they have alternated?
V-ing perfect
may I have been alternating? may you have been alternating? may he have been alternating? may we have been alternating? may you have been alternating? may they have been alternating?
Interro-negative form
Simple form
may I not alternate? may you not alternate? may he not alternate? may we not alternate? may you not alternate? may they not alternate?
V-ing form
may I not be alternating? may you not be alternating? may he not be alternating? may we not be alternating? may you not be alternating? may they not be alternating?
Perfect
may I not have alternated? may you not have alternated? may he not have alternated? may we not have alternated? may you not have alternated? may they not have alternated?
V-ing perfect
may I not have been alternating? may you not have been alternating? may he not have been alternating? may we not have been alternating? may you not have been alternating? may they not have been alternating?