I may shorten you may shorten he may shorten we may shorten you may shorten they may shorten
V-ing form
I may be shortening you may be shortening he may be shortening we may be shortening you may be shortening they may be shortening
Perfect
I may have shortened you may have shortened he may have shortened we may have shortened you may have shortened they may have shortened
V-ing perfect
I may have been shortening you may have been shortening he may have been shortening we may have been shortening you may have been shortening they may have been shortening
Negation
Simple form
I may not shorten you may not shorten he may not shorten we may not shorten you may not shorten they may not shorten
V-ing form
I may not be shortening you may not be shortening he may not be shortening we may not be shortening you may not be shortening they may not be shortening
Perfect
I may not have shortened you may not have shortened he may not have shortened we may not have shortened you may not have shortened they may not have shortened
V-ing perfect
I may not have been shortening you may not have been shortening he may not have been shortening we may not have been shortening you may not have been shortening they may not have been shortening
Interrogative form
Simple form
may I shorten? may you shorten? may he shorten? may we shorten? may you shorten? may they shorten?
V-ing form
may I be shortening? may you be shortening? may he be shortening? may we be shortening? may you be shortening? may they be shortening?
Perfect
may I have shortened? may you have shortened? may he have shortened? may we have shortened? may you have shortened? may they have shortened?
V-ing perfect
may I have been shortening? may you have been shortening? may he have been shortening? may we have been shortening? may you have been shortening? may they have been shortening?
Interro-negative form
Simple form
may I not shorten? may you not shorten? may he not shorten? may we not shorten? may you not shorten? may they not shorten?
V-ing form
may I not be shortening? may you not be shortening? may he not be shortening? may we not be shortening? may you not be shortening? may they not be shortening?
Perfect
may I not have shortened? may you not have shortened? may he not have shortened? may we not have shortened? may you not have shortened? may they not have shortened?
V-ing perfect
may I not have been shortening? may you not have been shortening? may he not have been shortening? may we not have been shortening? may you not have been shortening? may they not have been shortening?