1. makes

always=> HTĐ: S+V(s/es)

2. doesn't eat/ make

HTĐ: S+V(s/es)

Ruth là S số ít=> dùng trợ động từ does

3. don't smoke

Diễn tả thói quen=> HTĐ: S+V(s/es)

4. Does Mark go

every day=> HTĐ: Do/does+S+V?

5. do your parents like

HTĐ: Do/does+S+V?

6. do you go

How often+ Do/does+S+V?

7. does your sister work

HTĐ: Từ để hỏi+ Do/does+S+V?

8. doesn't usually have

usually=> HTĐ: S+do/does+ V

9. do

HTĐ: Who+V?

10. go

once a week=> HTĐ: S+V(s/es)

`1.` makes

`2.` doesn't eat - make

`3.` smoke

`4.` Does - go

`5.` Do - like

`6.` do - go

`7.` does - work

`8.` doesn't - have

`9.` does the ironing do

`10.` go

`->` Cấu trúc thì Hiện tại đơn:

`-` với động từ thường:

`(+)` S + Vs/es

`(-)` S + do/does + not + V 

`(?)` Do/Does + S + V?