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