I may replace you may replace she may replace we may replace you may replace they may replace
V-ing form
I may be replacing you may be replacing she may be replacing we may be replacing you may be replacing they may be replacing
Perfect
I may have replaced you may have replaced she 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 she may have been replacing we may have been replacing you may have been replacing they may have been replacing
Negation
Simple form
I mayn't replace you mayn't replace she mayn't replace we mayn't replace you mayn't replace they mayn't replace
V-ing form
I mayn't be replacing you mayn't be replacing she mayn't be replacing we mayn't be replacing you mayn't be replacing they mayn't be replacing
Perfect
I mayn't have replaced you mayn't have replaced she mayn't have replaced we mayn't have replaced you mayn't have replaced they mayn't have replaced
V-ing perfect
I mayn't have been replacing you mayn't have been replacing she mayn't have been replacing we mayn't have been replacing you mayn't have been replacing they mayn't have been replacing
Interrogative form
Simple form
may I replace? may you replace? may she replace? may we replace? may you replace? may they replace?
V-ing form
may I be replacing? may you be replacing? may she be replacing? may we be replacing? may you be replacing? may they be replacing?
Perfect
may I have replaced? may you have replaced? may she 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 she have been replacing? may we have been replacing? may you have been replacing? may they have been replacing?
Interro-negative form
Simple form
mayn't I replace? mayn't you replace? mayn't she replace? mayn't we replace? mayn't you replace? mayn't they replace?
V-ing form
mayn't I be replacing? mayn't you be replacing? mayn't she be replacing? mayn't we be replacing? mayn't you be replacing? mayn't they be replacing?
Perfect
mayn't I have replaced? mayn't you have replaced? mayn't she have replaced? mayn't we have replaced? mayn't you have replaced? mayn't they have replaced?
V-ing perfect
mayn't I have been replacing? mayn't you have been replacing? mayn't she have been replacing? mayn't we have been replacing? mayn't you have been replacing? mayn't they have been replacing?