I might stifle you might stifle she might stifle we might stifle you might stifle they might stifle
V-ing form
I might be stifling you might be stifling she might be stifling we might be stifling you might be stifling they might be stifling
Perfect
I might have stifled you might have stifled she might have stifled we might have stifled you might have stifled they might have stifled
V-ing perfect
I might have been stifling you might have been stifling she might have been stifling we might have been stifling you might have been stifling they might have been stifling
Negation
Simple form
I mightn't stifle you mightn't stifle she mightn't stifle we mightn't stifle you mightn't stifle they mightn't stifle
V-ing form
I mightn't be stifling you mightn't be stifling she mightn't be stifling we mightn't be stifling you mightn't be stifling they mightn't be stifling
Perfect
I mightn't have stifled you mightn't have stifled she mightn't have stifled we mightn't have stifled you mightn't have stifled they mightn't have stifled
V-ing perfect
I mightn't have been stifling you mightn't have been stifling she mightn't have been stifling we mightn't have been stifling you mightn't have been stifling they mightn't have been stifling
Interrogative form
Simple form
might I stifle? might you stifle? might she stifle? might we stifle? might you stifle? might they stifle?
V-ing form
might I be stifling? might you be stifling? might she be stifling? might we be stifling? might you be stifling? might they be stifling?
Perfect
might I have stifled? might you have stifled? might she have stifled? might we have stifled? might you have stifled? might they have stifled?
V-ing perfect
might I have been stifling? might you have been stifling? might she have been stifling? might we have been stifling? might you have been stifling? might they have been stifling?
Interro-negative form
Simple form
mightn't I stifle? mightn't you stifle? mightn't she stifle? mightn't we stifle? mightn't you stifle? mightn't they stifle?
V-ing form
mightn't I be stifling? mightn't you be stifling? mightn't she be stifling? mightn't we be stifling? mightn't you be stifling? mightn't they be stifling?
Perfect
mightn't I have stifled? mightn't you have stifled? mightn't she have stifled? mightn't we have stifled? mightn't you have stifled? mightn't they have stifled?
V-ing perfect
mightn't I have been stifling? mightn't you have been stifling? mightn't she have been stifling? mightn't we have been stifling? mightn't you have been stifling? mightn't they have been stifling?