I. Relative clauses

Reduced clauses: Mệnh đề rút gọn
Present Participle Phrases: (V-ING phrases replace relative clauses) Có thể dùng một ngữ danh động từ V-ING để thay thế cho mệnh đề quan hệ nếu động từ chính của mệnh đề đó ở thể chủ động.
ĐTQH làm chủ ngữ trong câu chủ động => rút gọn V-ing
e.g. The man who is sitting next to you is Mr. Mike. The man sitting next to you is Mr. Pike.
Do you know the boy who broke the window yesterday? Do you know the boy breaking the window yesterday?
Past Participle Phrases: (V-ED phrases replace relative clauses) Có thể dùng một ngữ tính từ V-ED để thay thế cho mệnh đề quan hệ nếu động từ chính của mệnh đề đó ở thể bị động.
ĐTQH làm chủ ngữ trong câu bị động=> rút gọn V-pii.
e.g. The man who was arrested by the police is Mr. Mike.
The man arrested by the police is Mr. Mike.
Do you know the boy who was punished by the headmaster yesterday?
Do you know the boy punished by the headmaster yesterday?


Infinitive Phrases: (to V phrases replace relative clauses) Có thể dùng một ngữ động từ to infinitives để thay thế cho mệnh đề quan hệ trong trường hợp mệnh đề có chứa các từ FIRST, SECOND, THIRD, LAST, ONLY...
e.g.
He is the only one who knows the answer.
He is the only one to know the answer.


BÀI 1. Viết lại các câu dưới đây để tạo thành câu có chứa mệnh đề quan hệ xác định
1. Pass me the dictionary. I put it on the shelf.

2. Will you help me to do the exercise? I don’t understand the exercise

3. We haven’t met Mr Smith yet. His daughter studies with Paul.

4. We won’t forget the day. We went to Justin Bieber’s concert that day

5. Peter has read the book. I recommended the book to him

6. They sent me a postcard of the hotel. They stayed there on holiday

7. This is my best friend. I met her at school ten years ago

8. Is this the man? This man accused you of stealing his wallet.

9.Peter made a lemon cake. It is his speciality.

10. I want to introduce you to Mrs Black. Her husband is an engineer

11. Can you show me the room? Meetings are held in that room

12. I don’t know the man. Sue is dancing with him

13. We last saw Mary on Christmas Day. She came to our party then

14. You have to correct the mistakes. You’ve made mistakes in the letter

15. I like Mrs White. She is in charged of the Marketing Department