9. “It was nice of you to invite me to the dinner. Thank you”, Miss White said to Peter.

→ Miss White thanked Peter for inviting him to the dinner.

10. Don’t be late again. Otherwise, you’ll lose your job.

→ If you are late again, you'll lose your job. 

( Câu điều kiện 1: If + S +`V_0`,  S + will + V.

11. The doctor advised him to stay in bed for a few days.

→ He was advised to stay in bed for a few days. 

( Passive voice: S + be + past participle + by O)

12. Paul hasn’t seen his sister since she left for Thailand.

9 “It was nice of you to invite me to the dinner. Thank you”, Miss White said to Peter.

-> Miss White thanked Peter for inviting him to the dinner.

cấu trúc: S+thanked+O+for+doing something...

10.Don’t be late again. Otherwise, you’ll lose your job.

-> If you were late again, you would lose your job.

câu gốc sử dụng thì hiện tại đơn nên khi chuyển sang câu điều kiện sử dụng điều kiện loại 2 (ko có thật ở hiện tại): If+S+V_QKĐ, S+would+V...

11. The doctor advised him to stay in bed for a few days.

-> He was advised to stay in bed for a few days by the doctor.

bị động thì QKĐ

12. Paul hasn’t seen his sister since she left for Thailand.