`1`. I intend to visit Singapore this summer.

`-` S + intend + to V: dự định làm gì

`2`. My house has a large yard so my friends and I often play volleyball there.

`-` HTĐ: S + V(s/es)

`-` a + N(số ít, bắt đầu bằng phụ âm)

`-` S + V + so + S + V: vì vậy

`-` TTSH + N

`3`. Our teacher asks us to write emails about the Japanese.

`-` S + ask + O + to V: yêu cầu, bảo ai làm gì

`-` write emails about sth (v): viết thư điện từ về cái gì

`4`. If we don't throw trash to the water, there will be no water pollution.

`-` Câu điều kiện loại `1`:

`->` If + S + V(HTĐ), S + will/can/may + V

`5`. No students in my class is taller than Jack.

`-` no + N(số nhiều)

`-` So sánh hơn: S1 + be + adj-er/more adj + than + S2

`6`. I hope that in the future, he will teach me how to do eggshall carving.

`-` S + hope that + S + V: mong muốn rằng

`-` TLĐ, dấu hiệu: in the future

`->` S + will + V

`-` wh + to V

`7`. They have studied this language for four years.

`-` HTHT, dấu hiệu: four years

`->` S + have/has + V3/ed

`8`. How many calories do you burn after doing aerobics in an hour? 

`-` How many + N(số nhiều) + do/does + S + V?: Bao nhiêu?

`-` an + N(số ít, bắt đầu bằng nguyên âm hoặc phụ âm câm)

`9`. I exercise daily because I want to stay healthy.

`-` HTĐ, dấu hiệu: daily

`->` S + V(s/es)

`-` S + want + to V: muốn làm gì

`10`. Sitting too close to the TV hurts your eyes.

`-` close to sb/sth: gần

`-` HTĐ: S + V(s/es)