`=>`
1. Hard work leads us to success.
`->` If we work hard, we will succeed.
2. If your hurry up, you won't be late for school.
`->` Hurry up or you will be late for school.
3. Peter is overweight, he eats too much.
`->` If Peter doesn't eat too much, he won't be overweight.
4. The office is cold. People leave the door open.
`->` If the office is cold, people will leave the door open.
5. Why dont we paint these walls white instead of green?
`->` I suggest these walls should be painted white in stead of green.
6. She failed in the exam because she was lazy.
`->` Because of her laziness, she failed in the exam.
7. If they're not afraid of flying, they will go abroad.
`->` They will go abroad because they are not afraid of flying.
Giải thích các bước giải:
1, 3, 4. Cấu trúc câu điều kiện loại 1:
If + S + `V_{HTĐ}`, S + will + V(inf).
2. Cấu trúc: `S_1` + `V_1` + `O_1`, or `S_2` + `V_2` + `O_2`.
5. Cấu trúc: S + suggest + V_ing/N + O.
6. Cấu trúc: Because of + N/pronoun (đại từ làm tân ngữ)/V_ing + O, S + V + O.