I may perfect you may perfect he may perfect we may perfect you may perfect they may perfect
V-ing form
I may be perfecting you may be perfecting he may be perfecting we may be perfecting you may be perfecting they may be perfecting
Perfect
I may have perfected you may have perfected he 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 he 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 he 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 he 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 he 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 he 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 he perfect? may we perfect? may you perfect? may they perfect?
V-ing form
may I be perfecting? may you be perfecting? may he be perfecting? may we be perfecting? may you be perfecting? may they be perfecting?
Perfect
may I have perfected? may you have perfected? may he 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 he 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 he 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 he 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 he 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 he not have been perfecting? may we not have been perfecting? may you not have been perfecting? may they not have been perfecting?