Chỉ em voi2s ạ, nếu được thì giải thích lun

`2.` THCS NGUYỄN VĂN LONG :

`29.` She hasn't written to me for seven months.

`-`  S + last + V2/V-ed + O + khoảng thời gian + ago/ when + mệnh đề thgian 

`=` S + has/have + not + V3/ed+  for+ khoảng thời gian/since + mốc thời gian.

`30.` If she worked hard, she would get good marks.

`-` Cấu trúc câu điều kiện loại `2`:

If + S+ V2/V-ed +O, S + would / could / might+ V-inf+O

`31.` A lot of time is spent for building this bridge.

`-` Bị động thì HTĐ:

S + am/is/are + V3/V-ed +O

`32.` This horror movie is not as thrilling as that action one.

`-` So sánh bằng:

S + be+ (not) + as+ adj+ as + O 

`33.` If we waste much water, we won't have fresh water to use in the future.

`-` Cấu trúc câu điều kiện loại `1`:

If + S+ V(s/es) +O, + S+ will/can/should + V-inf+O 

`34.`  She gets bad marks because she doesn't study hard.

`-` clause + because + clause:  ... bởi vì ...

`3.` THCS LONG GIANG :

`29.` I wish David could be in Hue for the festival.

`-` Cấu trúc câu ước ở thì HTĐ:

S+wish(es) + S + V2/V-ed +O 

`30.` Unless the man arrives, we will start the conference without him.

`-`Unless: trừ khi = If ... not 

`-` Cấu trúc câu điều kiện loại `1`:

If + S+ V(s/es) +O, + S+ will/can/should + V-inf+O 

`31.`  The book which I bought yesterday is very interesting.

`-` which thay thế N chỉ vật 

`32.` Unless it rains, we will go to the movies.

`-` Unless: trừ khi = If ... not 

`-` Cấu trúc câu điều kiện loại `1`:

If + S+ V(s/es) +O, + S+ will/can/should + V-inf+O 

`33.` My sister who always gets good grades at school is an intelligent student.

`-` who thay thế N chỉ người

`34.` Although John was tired, he finished his homework.

`-` Although + clause, clause: mặc dù