I may gladden you may gladden he may gladden we may gladden you may gladden they may gladden
V-ing form
I may be gladdening you may be gladdening he may be gladdening we may be gladdening you may be gladdening they may be gladdening
Perfect
I may have gladdened you may have gladdened he may have gladdened we may have gladdened you may have gladdened they may have gladdened
V-ing perfect
I may have been gladdening you may have been gladdening he may have been gladdening we may have been gladdening you may have been gladdening they may have been gladdening
Negation
Simple form
I may not gladden you may not gladden he may not gladden we may not gladden you may not gladden they may not gladden
V-ing form
I may not be gladdening you may not be gladdening he may not be gladdening we may not be gladdening you may not be gladdening they may not be gladdening
Perfect
I may not have gladdened you may not have gladdened he may not have gladdened we may not have gladdened you may not have gladdened they may not have gladdened
V-ing perfect
I may not have been gladdening you may not have been gladdening he may not have been gladdening we may not have been gladdening you may not have been gladdening they may not have been gladdening
Interrogative form
Simple form
may I gladden? may you gladden? may he gladden? may we gladden? may you gladden? may they gladden?
V-ing form
may I be gladdening? may you be gladdening? may he be gladdening? may we be gladdening? may you be gladdening? may they be gladdening?
Perfect
may I have gladdened? may you have gladdened? may he have gladdened? may we have gladdened? may you have gladdened? may they have gladdened?
V-ing perfect
may I have been gladdening? may you have been gladdening? may he have been gladdening? may we have been gladdening? may you have been gladdening? may they have been gladdening?
Interro-negative form
Simple form
may I not gladden? may you not gladden? may he not gladden? may we not gladden? may you not gladden? may they not gladden?
V-ing form
may I not be gladdening? may you not be gladdening? may he not be gladdening? may we not be gladdening? may you not be gladdening? may they not be gladdening?
Perfect
may I not have gladdened? may you not have gladdened? may he not have gladdened? may we not have gladdened? may you not have gladdened? may they not have gladdened?
V-ing perfect
may I not have been gladdening? may you not have been gladdening? may he not have been gladdening? may we not have been gladdening? may you not have been gladdening? may they not have been gladdening?