I may perfect you may perfect she may perfect we may perfect you may perfect they may perfect
V-ing form
I may be perfecting you may be perfecting she may be perfecting we may be perfecting you may be perfecting they may be perfecting
Perfect
I may have perfected you may have perfected she may have perfected we may have perfected you may have perfected they may have perfected
V-ing perfect
I may have been perfecting you may have been perfecting she may have been perfecting we may have been perfecting you may have been perfecting they may have been perfecting
Negation
Simple form
I may not perfect you may not perfect she may not perfect we may not perfect you may not perfect they may not perfect
V-ing form
I may not be perfecting you may not be perfecting she may not be perfecting we may not be perfecting you may not be perfecting they may not be perfecting
Perfect
I may not have perfected you may not have perfected she may not have perfected we may not have perfected you may not have perfected they may not have perfected
V-ing perfect
I may not have been perfecting you may not have been perfecting she may not have been perfecting we may not have been perfecting you may not have been perfecting they may not have been perfecting
Interrogative form
Simple form
may I perfect? may you perfect? may she perfect? may we perfect? may you perfect? may they perfect?
V-ing form
may I be perfecting? may you be perfecting? may she be perfecting? may we be perfecting? may you be perfecting? may they be perfecting?
Perfect
may I have perfected? may you have perfected? may she have perfected? may we have perfected? may you have perfected? may they have perfected?
V-ing perfect
may I have been perfecting? may you have been perfecting? may she have been perfecting? may we have been perfecting? may you have been perfecting? may they have been perfecting?
Interro-negative form
Simple form
may I not perfect? may you not perfect? may she not perfect? may we not perfect? may you not perfect? may they not perfect?
V-ing form
may I not be perfecting? may you not be perfecting? may she not be perfecting? may we not be perfecting? may you not be perfecting? may they not be perfecting?
Perfect
may I not have perfected? may you not have perfected? may she not have perfected? may we not have perfected? may you not have perfected? may they not have perfected?
V-ing perfect
may I not have been perfecting? may you not have been perfecting? may she not have been perfecting? may we not have been perfecting? may you not have been perfecting? may they not have been perfecting?