IV. Write the correct from or tense of verbs in brackets. 1. ____________________ (you/ ever/ drive) on the wrong side of the road? 2. My family ______________ (fly) back from our Hong Kong holiday two days ago. 3. Right now, the students _______________ (learn) road signs in the schoolyard. 4. Jenifer usually______________ (walk) to school, but this week she _____________ (ride) her bike. 5. The driver was so drunk that he ______________ (lose) control of his car. 6. If I have enough money, I _________________ (buy) a racing car. 7. My father ________________ (teach) me to ride a bike when I was seven. 8. Transport used ______________ (be) much slower three hundred years ago. 9. Saudi women weren’t allowed ______________ (drive) a car until recently. 10. In South Africa, you have to let animals ________________ (go) first.

1. Have you ever driven on the wrong side of the road?

⇒Thì hiện tại hoàn thành (câu hỏi)
Have/Has+S+P.P...?

2. My family flew back from our Hong Kong holiday two days ago.

⇒Thì quá khứ đơn, dấu hiệu: "two days ago"

3. Right now, the students are learning road signs in the schoolyard.

⇒Thì hiện tại tiếp diễn, dấu hiệu: "Right now"

4. Usually Oanh walks to school, but this week she rides her bike.

⇒Thì hiện tại đơn, dấu hiệu: "Usually"

5. The driver was so drunk that he lost control of his car.

⇒Thì quá khứ đơn, dấu hiệu vế trước dùng thì quá khứ đơn: "was so drunk"

6. If I have enough money, I will buy a racing car.

⇒Câu điều kiện loại $I$: If+S+V_hiện tại đơn, S+will+V_nguyên thể

7. My father taught me to ride a bike when I was seven.

⇒"when I was seven." thì quá khứ đơn

8. Transport used to be much slower three hundred years ago.

⇒used+to+V_nguyên thể: đã từng...

9. Saudi women weren't allowed driving a car until recently.

⇒allowed+V_ing: cho phép làm gì...

10. In South Africa, you have to let animals go first.

⇒"In South Africa" thì hiện tại đơn