bài 2 . chia các động từ trong ngoặc thành thể phù hợp . 
6.If that student …… (stop) talking in class, the teacher …… (be) very happy.
7.His elder sister …… (get) mad if she …… (know) that he broke her favorite mug.
8. If we don’t hurry, we ……..(miss) the bus. We’re late.

9. If you come to my house, I …….. (help) you make a cake for your mum’s birthday.

10. We probably…….. (not go) shopping tomorrow if it’s snow. It’ll be too cold.

11. My mum …….. (drive) us into town if you don’t want to walk.

12. If public transport is efficient, people …….. (stop) using their cars.