Эмфатические предложения.
Пример: Why don’t you work hard? - But I do work hard.

B) Why didn’t you come here?

C) Why aren’t you ready for work?

D) Why haven’t you changed the costume?

E) Why don’t you follow my instructions?

Спасибо большое!

But i come here.But i ready to work.But i do changed the costume.But i follow your instructions.Вроде так.