I may summate you may summate he may summate we may summate you may summate they may summate
V-ing form
I may be summating you may be summating he may be summating we may be summating you may be summating they may be summating
Perfect
I may have summated you may have summated he may have summated we may have summated you may have summated they may have summated
V-ing perfect
I may have been summating you may have been summating he may have been summating we may have been summating you may have been summating they may have been summating
Negation
Simple form
I may not summate you may not summate he may not summate we may not summate you may not summate they may not summate
V-ing form
I may not be summating you may not be summating he may not be summating we may not be summating you may not be summating they may not be summating
Perfect
I may not have summated you may not have summated he may not have summated we may not have summated you may not have summated they may not have summated
V-ing perfect
I may not have been summating you may not have been summating he may not have been summating we may not have been summating you may not have been summating they may not have been summating
Interrogative form
Simple form
may I summate? may you summate? may he summate? may we summate? may you summate? may they summate?
V-ing form
may I be summating? may you be summating? may he be summating? may we be summating? may you be summating? may they be summating?
Perfect
may I have summated? may you have summated? may he have summated? may we have summated? may you have summated? may they have summated?
V-ing perfect
may I have been summating? may you have been summating? may he have been summating? may we have been summating? may you have been summating? may they have been summating?
Interro-negative form
Simple form
may I not summate? may you not summate? may he not summate? may we not summate? may you not summate? may they not summate?
V-ing form
may I not be summating? may you not be summating? may he not be summating? may we not be summating? may you not be summating? may they not be summating?
Perfect
may I not have summated? may you not have summated? may he not have summated? may we not have summated? may you not have summated? may they not have summated?
V-ing perfect
may I not have been summating? may you not have been summating? may he not have been summating? may we not have been summating? may you not have been summating? may they not have been summating?