29. What an expensive food!

`=>` Câu cảm thán

`=>` What + an + adj + N(số nhiều)!

30. We have learned English for 2 years

`=>` S + have/has + PII

31. This is the highest building in the city

`=>` So sánh hơn nhất 

`=>` S + be + the + adj đuôi est

32. Nga likes playing badminton

`=>` Sau like thêm ing

`=>` like + Ving

`=>` thì hiện tại đơn nên like `->` thêm s

33. We haven't done our homework

`=>` S + have/has + PII

34. Have you ever gone abroad?

`=>` Have/has + S + PII

$@dream$

`29,` What an expensive food!

- What + a/ an + adj + N!

`30,` We have learned English for 2 years.

- S + started/ began + V-ing + time + ago

= S + have/ has + p.p + for + time.

`31,` This is the highest building in the city.

- So sánh hơn nhất với tính từ ngắn: S + to be + the + adj-est + ...

`32,` Nga likes playing badminton.

- like + V-ing: thích

- Thì hiện tại đơn: S + Vs/es

- play (v): chơi

`33,` We haven't done our homework.

- Thì hiện tại hoàn thành: S + have/ has + not + p.p

`34,` Have you ever gone abroad?

- Is this the firt time + S + have/ has + p.p?

= Have/ Has + S + ever + p.p?