English verb conjugation
MAY STIFLE

Regular verb: stifle - stifled - stifled

Affirmation

Simple form	V-ing form
I may stifle you may stifle she may stifle we may stifle you may stifle they may stifle	I may be stifling you may be stifling she may be stifling we may be stifling you may be stifling they may be stifling
Perfect	V-ing perfect
I may have stifled you may have stifled she may have stifled we may have stifled you may have stifled they may have stifled	I may have been stifling you may have been stifling she may have been stifling we may have been stifling you may have been stifling they may have been stifling

Negation

Simple form	V-ing form
I mayn't stifle you mayn't stifle she mayn't stifle we mayn't stifle you mayn't stifle they mayn't stifle	I mayn't be stifling you mayn't be stifling she mayn't be stifling we mayn't be stifling you mayn't be stifling they mayn't be stifling
Perfect	V-ing perfect
I mayn't have stifled you mayn't have stifled she mayn't have stifled we mayn't have stifled you mayn't have stifled they mayn't have stifled	I mayn't have been stifling you mayn't have been stifling she mayn't have been stifling we mayn't have been stifling you mayn't have been stifling they mayn't have been stifling

Interrogative form

Simple form	V-ing form
may I stifle? may you stifle? may she stifle? may we stifle? may you stifle? may they stifle?	may I be stifling? may you be stifling? may she be stifling? may we be stifling? may you be stifling? may they be stifling?
Perfect	V-ing perfect
may I have stifled? may you have stifled? may she have stifled? may we have stifled? may you have stifled? may they have stifled?	may I have been stifling? may you have been stifling? may she have been stifling? may we have been stifling? may you have been stifling? may they have been stifling?

Interro-negative form

Simple form	V-ing form
mayn't I stifle? mayn't you stifle? mayn't she stifle? mayn't we stifle? mayn't you stifle? mayn't they stifle?	mayn't I be stifling? mayn't you be stifling? mayn't she be stifling? mayn't we be stifling? mayn't you be stifling? mayn't they be stifling?
Perfect	V-ing perfect
mayn't I have stifled? mayn't you have stifled? mayn't she have stifled? mayn't we have stifled? mayn't you have stifled? mayn't they have stifled?	mayn't I have been stifling? mayn't you have been stifling? mayn't she have been stifling? mayn't we have been stifling? mayn't you have been stifling? mayn't they have been stifling?