I may restrengthen you may restrengthen he may restrengthen we may restrengthen you may restrengthen they may restrengthen
V-ing form
I may be restrengthening you may be restrengthening he may be restrengthening we may be restrengthening you may be restrengthening they may be restrengthening
Perfect
I may have restrengthened you may have restrengthened he may have restrengthened we may have restrengthened you may have restrengthened they may have restrengthened
V-ing perfect
I may have been restrengthening you may have been restrengthening he may have been restrengthening we may have been restrengthening you may have been restrengthening they may have been restrengthening
Negation
Simple form
I may not restrengthen you may not restrengthen he may not restrengthen we may not restrengthen you may not restrengthen they may not restrengthen
V-ing form
I may not be restrengthening you may not be restrengthening he may not be restrengthening we may not be restrengthening you may not be restrengthening they may not be restrengthening
Perfect
I may not have restrengthened you may not have restrengthened he may not have restrengthened we may not have restrengthened you may not have restrengthened they may not have restrengthened
V-ing perfect
I may not have been restrengthening you may not have been restrengthening he may not have been restrengthening we may not have been restrengthening you may not have been restrengthening they may not have been restrengthening
Interrogative form
Simple form
may I restrengthen? may you restrengthen? may he restrengthen? may we restrengthen? may you restrengthen? may they restrengthen?
V-ing form
may I be restrengthening? may you be restrengthening? may he be restrengthening? may we be restrengthening? may you be restrengthening? may they be restrengthening?
Perfect
may I have restrengthened? may you have restrengthened? may he have restrengthened? may we have restrengthened? may you have restrengthened? may they have restrengthened?
V-ing perfect
may I have been restrengthening? may you have been restrengthening? may he have been restrengthening? may we have been restrengthening? may you have been restrengthening? may they have been restrengthening?
Interro-negative form
Simple form
may I not restrengthen? may you not restrengthen? may he not restrengthen? may we not restrengthen? may you not restrengthen? may they not restrengthen?
V-ing form
may I not be restrengthening? may you not be restrengthening? may he not be restrengthening? may we not be restrengthening? may you not be restrengthening? may they not be restrengthening?
Perfect
may I not have restrengthened? may you not have restrengthened? may he not have restrengthened? may we not have restrengthened? may you not have restrengthened? may they not have restrengthened?
V-ing perfect
may I not have been restrengthening? may you not have been restrengthening? may he not have been restrengthening? may we not have been restrengthening? may you not have been restrengthening? may they not have been restrengthening?