I may freshen you may freshen he may freshen we may freshen you may freshen they may freshen
V-ing form
I may be freshening you may be freshening he may be freshening we may be freshening you may be freshening they may be freshening
Perfect
I may have freshened you may have freshened he may have freshened we may have freshened you may have freshened they may have freshened
V-ing perfect
I may have been freshening you may have been freshening he may have been freshening we may have been freshening you may have been freshening they may have been freshening
Negation
Simple form
I may not freshen you may not freshen he may not freshen we may not freshen you may not freshen they may not freshen
V-ing form
I may not be freshening you may not be freshening he may not be freshening we may not be freshening you may not be freshening they may not be freshening
Perfect
I may not have freshened you may not have freshened he may not have freshened we may not have freshened you may not have freshened they may not have freshened
V-ing perfect
I may not have been freshening you may not have been freshening he may not have been freshening we may not have been freshening you may not have been freshening they may not have been freshening
Interrogative form
Simple form
may I freshen? may you freshen? may he freshen? may we freshen? may you freshen? may they freshen?
V-ing form
may I be freshening? may you be freshening? may he be freshening? may we be freshening? may you be freshening? may they be freshening?
Perfect
may I have freshened? may you have freshened? may he have freshened? may we have freshened? may you have freshened? may they have freshened?
V-ing perfect
may I have been freshening? may you have been freshening? may he have been freshening? may we have been freshening? may you have been freshening? may they have been freshening?
Interro-negative form
Simple form
may I not freshen? may you not freshen? may he not freshen? may we not freshen? may you not freshen? may they not freshen?
V-ing form
may I not be freshening? may you not be freshening? may he not be freshening? may we not be freshening? may you not be freshening? may they not be freshening?
Perfect
may I not have freshened? may you not have freshened? may he not have freshened? may we not have freshened? may you not have freshened? may they not have freshened?
V-ing perfect
may I not have been freshening? may you not have been freshening? may he not have been freshening? may we not have been freshening? may you not have been freshening? may they not have been freshening?