1. go - play

2. plays (often: HTĐ: Phong là số ít nên V thêm -s,-es)

3. are visiting (now: HTTD: we là số nhiều nên tobe dùng are)

4. don't go (Saturdays and Sundays: HTĐ: PĐ: do/does + not + V(inf)

5. isn't working (at present: HTTD: PĐ: am/is/are + not + V_ing; she là số ít nên tobe dùng is)

6. Does - have

7. meet (every day: HTĐ)

8. Are - having (tonight: HTTD: diễn tả hành động xảy ra trong TLG và đã có sắp xếp)

9. doesn't like

10. Does - study 

11. Does - come

12. am working (Be quiet!: HTTD; I đi với tobe am)

They go home and have lunch.

Phong often plays football on the weekend

We are visiting our grandparents now.

They don't go to work on Saturday and Sunday

Mr.Ninh isn't work in the office at present.

Does Mary have short hair?

I meet my uncle and aunt every day.

Bob doesn't like to listen to rock music.

Does he study vocabulary every day?

Does he come from Da Nang?

Please quiet! I am working.