I.

1. They told me that the film would begin at seven o'clock.

2. Going camping with friends in the summer is interesting.

3. Despite the heavy rain, we went to school on time.

4. His house was destroyed completely by storm and now he is living with his friends.

5. If they  did exercise regularly, their health would be very good.

II.

1.Dean thought that the people from Venus might travel in flying cars.

2. Peter wanted to know if aliens could communicate verbally.

3. If there weren't too many vehicles. the air wouldn't be polluted. 

4. we haven't met each other since we left school.

5. Scientists have invented new devices to help people live a longer life.

1. They told me this film would begin at seven o'clock.

khi chuyển câu trực tiếp sang gián tiếp thì cấu trúc của thì tương lai đơn sẽ chuyển thành would + V

2. going camping with friends is interesting in the summer.

3. Despite the heavy rain, we went to school on time.

Despite + N/Ving: mặc dù

4. His house was destroyed completely and now he is living with his friends.

5. If they exercised regularly, their health would be very good.

dùng IF 2 khi để chỉ hành động ko thể xảy ra ở hiện tại

VIII

1. Dean thought that the people from Venus mgiht travel in flying cars.

2 Peter wanted to know if aliens could communicate verbally.

3. If there weren't be too many vehicles, the wouldn't be polluted.

4. We haven't met each other since we left school.

5. Scientists have invented new device to help people live a longer live.

@HOCTOT