Помогите пожалуйста сделать ,желательно с переводом на русский

спасибо большое

1 If you gave it a try, you would be very happy.2 She would send for the doctor if Jim was bad3 What would you do if you couldn`t pass your exams?4 If I had thought about threats, I wouldn`t be successful5 The scientist would have told about the serious problems, if we couldn`t change them