Exercise 11: Identify the mistake in each sentence and correct it. 1. On the way home, we saw a lot of men, women and dogs which were playing in the park. 2. The man whom remained in the office was the manager. 3. This novel, which written by a well-known writer, should be read. 4. My friend George, that arrived late, was not permitted to enter the class. 5. This is the only place which I can obtain scientific information. 6. Chemistry is one branch of science on that most of the industries depend. 7. 1975 is the year in when the revolution took place. 8. Mr. Brown, that teaches me English, is coming today. 9. The hotel where we stayed in last year was excellent. 10. At last they found the woman and her cat which were badly injured by the fire.

1. On the way home, we saw a lot of men, women and dogs which were playing in the park.

=> that (phần cụm danh từ gồm cả người lẫn vật => ko dùng which)

2. The man whom remained in the office was the manager.

=> who (whom dùng thay thế cho danh từ làm tân ngữ, mà câu này danh từ làm chủ ngữ)

3. This novel, which written by a well-known writer, should be read.

=> which is written (dạng bị động)

4. My friend George, that arrived late, was not permitted to enter the class.

=> who (sau dấu "," không dùng "that")

5. This is the only place which I can obtain scientific information.

=> where (= giới từ + which)

6. Chemistry is one branch of science on that most of the industries depend.

=> which (sau giới từ không dùng "that")

7. 1975 is the year in when the revolution took place.

=> bỏ "in" (đã dùng "when" (= in which) thì không dùng giới từ)

8. Mr. Brown, that teaches me English, is coming today.

=> who (sau dấu "," không dùng "that")

9. The hotel where we stayed in last year was excellent.

=> bỏ "in" (đã dùng trạng từ quan hệ "where" => không điền giới từ nữa)

10. At last they found the woman and her cat which were badly injured by the fire.

=> that (phần cụm danh từ gồm cả người lẫn vật => ko dùng which)