I may effect you may effect he may effect we may effect you may effect they may effect
V-ing form
I may be effecting you may be effecting he may be effecting we may be effecting you may be effecting they may be effecting
Perfect
I may have effected you may have effected he may have effected we may have effected you may have effected they may have effected
V-ing perfect
I may have been effecting you may have been effecting he may have been effecting we may have been effecting you may have been effecting they may have been effecting
Negation
Simple form
I mayn't effect you mayn't effect he mayn't effect we mayn't effect you mayn't effect they mayn't effect
V-ing form
I mayn't be effecting you mayn't be effecting he mayn't be effecting we mayn't be effecting you mayn't be effecting they mayn't be effecting
Perfect
I mayn't have effected you mayn't have effected he mayn't have effected we mayn't have effected you mayn't have effected they mayn't have effected
V-ing perfect
I mayn't have been effecting you mayn't have been effecting he mayn't have been effecting we mayn't have been effecting you mayn't have been effecting they mayn't have been effecting
Interrogative form
Simple form
may I effect? may you effect? may he effect? may we effect? may you effect? may they effect?
V-ing form
may I be effecting? may you be effecting? may he be effecting? may we be effecting? may you be effecting? may they be effecting?
Perfect
may I have effected? may you have effected? may he have effected? may we have effected? may you have effected? may they have effected?
V-ing perfect
may I have been effecting? may you have been effecting? may he have been effecting? may we have been effecting? may you have been effecting? may they have been effecting?
Interro-negative form
Simple form
mayn't I effect? mayn't you effect? mayn't he effect? mayn't we effect? mayn't you effect? mayn't they effect?
V-ing form
mayn't I be effecting? mayn't you be effecting? mayn't he be effecting? mayn't we be effecting? mayn't you be effecting? mayn't they be effecting?
Perfect
mayn't I have effected? mayn't you have effected? mayn't he have effected? mayn't we have effected? mayn't you have effected? mayn't they have effected?
V-ing perfect
mayn't I have been effecting? mayn't you have been effecting? mayn't he have been effecting? mayn't we have been effecting? mayn't you have been effecting? mayn't they have been effecting?