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