1.Why don't you go to school now?
I want to go to school by taxi.The taxi will come in twenty minutes.
Couldn't you walk to your school,it is not far away,just 2 kilometers.
No.
Shouldn't you save your money,you always say that you have no money and life is too bad.
I am too tired,I just want to take a taxi.
2.
Wouldn't you rather take the plane,I want to see you in five hours.
I would rather take the train,I like the beautiful scenery outside the window.
3.Don't you look beautiful now,your dress is too beautiful.
4.Aren't you smart,you have solved the problem in 2 hours.