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