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