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