Exercise 2: Find and correct the mistake in each sentence below. 1. What do you do if you won the first prize of the lottery? 2. Would people be able to fly, if they have feathers instead of hair? 3. George now wishes he hasn't broken his encouragement with Marian.

Ex2:

1. What do you do if you won the first prize of the lottery?

      do-> would

* Điều kiện loại 2: 

         If S+were/Ved, S+would/could+V

2. Would people be able to fly, if they have feathers instead of hair?

      have-> had

*Điêù kiện loại 2 ( không có thật)

3. George now wishes he hasn't broken his encouragement with Maria

       hasn't broken -> hadn't broken 

*ước ở hiện tại: lùi thì 

  (hiện tại hoàn thành-> quá khứ hoàn thành)