1. It's a flower- arranging contest.

- Tính từ ghép

2. Charles told me that he was living in London then.

- Câu trường thuật

3. Farmers' waste has been recycled for thousands of years.

- Câu bị động thì hiện tại hoàn thành.

4. John told Nhi to complete her homework that day.

- Câu tường thuật yêu cầu.

5. Mr. Nam has taught in this school since 2010.

- S + began/ started + to V/ V-ing + in + time = S + have/ has + V3 + since + time.

6. Vietnam is a rice- exporting country.

- Tính từ ghép.

1.This is a contest in which participants have to arrange flowers.

 → It’s a flower arranging contest.

2.“I’m living in London now.” Charles said to me.  

→Charles told me that he was living in London then.

1. Farmers have recycled their waste for thousands of years.

→Farmers’ waste has been recycled for thousands of years.

1. John said, “You must complete your homework today, Nhi.”

→John told Nhi that she had to complete her homework that day.

1. Mr. Nam began to teach in this school in 2010.

→ Mr. Nam has taught in this school since 2010.

1. Vietnam is the country which exports a lot of rice.

→Vietnam is a   rice-exporting country