1. There is train which leaves for Nha Trang at 8 o'clock tomorrow morning

2. Many Cham Tower can be seen in Ninh Thuan province

3. Everything in Mai's room will be tidied up tomorrow

4. There used to be fewer trees around our school

5. There used to be few people on the road before.

6. In spite of his excellent performance, he has never won any Docor

1. A train leaves for Nha Trang at 8 o'clock tomorrow morning.

⇒ There is train which leaves for Nha Trang at 8 o'clock tomorrow morning. 

2.We can see many Cham Tower in Ninh Thuan province.

⇒ Many Cham Tower can be seen in Ninh Thuan province.

3.Mai will tydy up everything in her room tomorrow.

⇒ Everything in Mai's room will be tidied up tomorrow

4.There are more trees around our school now (used).

⇒ There used to be fewer trees around our school. 

5.There didn't use to be many people on the road before ( used).

⇒ There used to be few people on the road before.

6.He has performed excenllently,he has never won any Docor.

⇒ In spite of his excellent performance, he has never won any Docor.

cho mình xin ctlhn nhé