I might sleep you might sleep he might sleep we might sleep you might sleep they might sleep
V-ing form
I might be sleeping you might be sleeping he might be sleeping we might be sleeping you might be sleeping they might be sleeping
Perfect
I might have slept you might have slept he might have slept we might have slept you might have slept they might have slept
V-ing perfect
I might have been sleeping you might have been sleeping he might have been sleeping we might have been sleeping you might have been sleeping they might have been sleeping
Negation
Simple form
I mightn't sleep you mightn't sleep he mightn't sleep we mightn't sleep you mightn't sleep they mightn't sleep
V-ing form
I mightn't be sleeping you mightn't be sleeping he mightn't be sleeping we mightn't be sleeping you mightn't be sleeping they mightn't be sleeping
Perfect
I mightn't have slept you mightn't have slept he mightn't have slept we mightn't have slept you mightn't have slept they mightn't have slept
V-ing perfect
I mightn't have been sleeping you mightn't have been sleeping he mightn't have been sleeping we mightn't have been sleeping you mightn't have been sleeping they mightn't have been sleeping
Interrogative form
Simple form
might I sleep? might you sleep? might he sleep? might we sleep? might you sleep? might they sleep?
V-ing form
might I be sleeping? might you be sleeping? might he be sleeping? might we be sleeping? might you be sleeping? might they be sleeping?
Perfect
might I have slept? might you have slept? might he have slept? might we have slept? might you have slept? might they have slept?
V-ing perfect
might I have been sleeping? might you have been sleeping? might he have been sleeping? might we have been sleeping? might you have been sleeping? might they have been sleeping?
Interro-negative form
Simple form
mightn't I sleep? mightn't you sleep? mightn't he sleep? mightn't we sleep? mightn't you sleep? mightn't they sleep?
V-ing form
mightn't I be sleeping? mightn't you be sleeping? mightn't he be sleeping? mightn't we be sleeping? mightn't you be sleeping? mightn't they be sleeping?
Perfect
mightn't I have slept? mightn't you have slept? mightn't he have slept? mightn't we have slept? mightn't you have slept? mightn't they have slept?
V-ing perfect
mightn't I have been sleeping? mightn't you have been sleeping? mightn't he have been sleeping? mightn't we have been sleeping? mightn't you have been sleeping? mightn't they have been sleeping?