I may replace you may replace he may replace we may replace you may replace they may replace
V-ing form
I may be replacing you may be replacing he may be replacing we may be replacing you may be replacing they may be replacing
Perfect
I may have replaced you may have replaced he may have replaced we may have replaced you may have replaced they may have replaced
V-ing perfect
I may have been replacing you may have been replacing he may have been replacing we may have been replacing you may have been replacing they may have been replacing
Negation
Simple form
I may not replace you may not replace he may not replace we may not replace you may not replace they may not replace
V-ing form
I may not be replacing you may not be replacing he may not be replacing we may not be replacing you may not be replacing they may not be replacing
Perfect
I may not have replaced you may not have replaced he may not have replaced we may not have replaced you may not have replaced they may not have replaced
V-ing perfect
I may not have been replacing you may not have been replacing he may not have been replacing we may not have been replacing you may not have been replacing they may not have been replacing
Interrogative form
Simple form
may I replace? may you replace? may he replace? may we replace? may you replace? may they replace?
V-ing form
may I be replacing? may you be replacing? may he be replacing? may we be replacing? may you be replacing? may they be replacing?
Perfect
may I have replaced? may you have replaced? may he have replaced? may we have replaced? may you have replaced? may they have replaced?
V-ing perfect
may I have been replacing? may you have been replacing? may he have been replacing? may we have been replacing? may you have been replacing? may they have been replacing?
Interro-negative form
Simple form
may I not replace? may you not replace? may he not replace? may we not replace? may you not replace? may they not replace?
V-ing form
may I not be replacing? may you not be replacing? may he not be replacing? may we not be replacing? may you not be replacing? may they not be replacing?
Perfect
may I not have replaced? may you not have replaced? may he not have replaced? may we not have replaced? may you not have replaced? may they not have replaced?
V-ing perfect
may I not have been replacing? may you not have been replacing? may he not have been replacing? may we not have been replacing? may you not have been replacing? may they not have been replacing?