31. you/ have/ finished/ homework/ your/ yet?

=> Have you finished your homework yet ?

Thì hiện tại hoàn thành :  Have/ has + S + V3?

32. vacation/ since/ we/ haven’t/ last/ had/ a/ year.

=> We haven't had a vacation since last year.

Thì hiện tại hoàn thành : S + has/ have + not + V3.

33. He was sick. He stayed at home. (because)

=> He stayed at home because he was sick.

Công thức : S + V + O + because + S + tobe + O.

34. It was very cold. They went swimming. (but)

=> It was very cold but they went swimming.

Công thức : S + + V + O + but + S + tobe + O.

35. We can go camping. We can go for a picnic. (or)

=> We can go camping or we can go for a picnic.

Công thức : : S + + V + O + or + S + tobe + O.

`Lunangoctrang1`

31. Have you finished your homework yet?

32. We haven't had a vacation since last year.

33. He stayed at home because he was sick.

S + V + O + because + S + V + O. ⇒ chỉ nguyên nhân

34. They went swimming but it was very cold.

S + V + O + but + S + V + O. ⇒ chỉ sự tương phản

35. We can go camping or we can go for a picnic.

S + V + O + or + S + V + O. 

Cấu trúc của thì HTHT:

(+) S + have / has + V3.

(-) S + haven't / hasn't + V3.

(?) Have / Has + S + V3?

Cấu trúc của thì QKĐ:

Với to be:

(+) S + was / were + O.

(-) S + wasn't / weren't + O.

(?) Was / were+S + O?

Với động từ thường:

(+) S + V2 + O.

(-) S + didn't + V_inf + O.

(?) Did + S + V_inf + O?

Cho mình ctlhn nha!

Chúc Bạn Học Tốt!❤