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