-Câu chẻ tên gọi khác của câu nhấn mạnh, gồm có 2 mệnh đề, trong đó mệnh đề thứ nhất là mệnh đề sử dụng với mục đích cần nhấn mạnh, mệnh đề thứ hai là mệnh đề phụ có tác dụng bổ ngữ cho mệnh đề thứ nhất.

• Câu chẻ dùng để nhấn mạnh một thành phần nào đó của câu.
• Nhấn mạnh chủ từ aới danh từ/ đại từ chỉ người It + is/ was + Noun/ pronoun + who + V + 0 .... Eg: My brother built model houses. => It was my brother who built model houses b. Với danh từ chỉ vật It + is/ was + Noun + that + V + O ... Eg: His absence at the party made me sad. => It was his absence at the party that made me sad.
• Nhấn mạnh tân ngữ a. Với danh từ/ đại từ chỉ người It + is/ was + Noun/ pronoun + who(m) + S + V ... Eg: I met Linh on the way to supermarket => It was Linh whom I met on the way to supermarket. b. Với danh từ chỉ vật It + is/ was + Noun + that + S + V ... Eg: My brother bought an old car from our neighbor. => It was an old car that my brother bought from our neighbor.
• Nhấn mạnh trạng từ

It + is/ was + Adverbial phrase + that + S + V .... Eg: We first met in May => It was in May that we first met. 4. Câu chẻ bị động a. Với danh từ/ đại từ chỉ người It + is/ was + Noun/ pronoun + who + be + PII .... Eg: Students gave teachers a lot of flowers on Teachers’ Day => It was teachers that were given a lot of flowers on Teachers’ Day. b. Với danh từ chỉ vật It + is/ was + Noun + that + be + PII ... Eg: People talk about this song. => It is this song that is talked about

• Chú ý: Các đại từ who, which có thể được dùng để thay thế cho "that". When và where cũng có thể được sử dụng (informal English), nhưng how và why thì không thể thay thế cho "that" trong câu chẻ. I. Bài tập luyện tập câu chẻ Exercise 1: Rewrite each sentence to emphasize the underlined phrase
• Mr David saw that I could also take part in the contest. It _______________________________________.
• I didn&

  039;t invite them. It _______________________________________.

• I began to think about everything at that moment. It _______________________________________.
• His attitude towards other people really annoys me. It _______________________________________.
• I didn&

  039;t decide to postpone the match. It _______________________________________.

• The candidates didn&

  039;t start the trouble.

• Sheila hid the book under the mattress.
• Sheila hid the book under the mattress.
• I have to call on Monday to schedule an appointment.
• I have to call on Monday to schedule an appointment. Exercise 3: Reorder the words to make complete sentences.
• It/ he/ his/ that/ changed/ father&

  039;s/ a/ after/ was/ death / lot./ himself

1. going/ to/ am/ I/ the / Tokyo/ that/ in / It/ is/ holiday./ spend

1. USA/ 2008/ got/It/ the / married./ in/ settled/ down/ he/ was/ that/ in/ and

1. that/ It/ mom/ was/ their/ gave / on/ wedding / anniversary / dad/ diamond/ ring./ my/ my/ a

1. some/ It/ in / boyfriend/ me/ took / beautiful/ photos/ my/ was / who/ for/ Japan.

Exercise 4: Choose the best option to complete the cleft sentence

1. ......................... gave her a bunch of roses last week. A. It’s you whom B. It’s you that C. It’s you which D. It’s you who
2. ......................... is the greatest teacher in the world. A. It’s our English teacher whom B. It’s our English teacher who C. It’s our English teacher which D. It’s our English teacher that
3. ......................... my younger sister always keep carefully. A. It’s the doll which B. It’s the doll that C. It’s the doll who D. It’s the doll whom
4. ......................... the boy hit in the garden. A. It’s the dog who B. It’s the dog which C. It’s the dog what D. It’s the dog whom
5. ......................... made me sad yesterday morning. A. It’s my students’bad behaviour who B. It’s my students’bad behaviour that C. It’s my students’bad behaviour which D. It’s my students’bad behaviour whom
6. ......................... my friend came to see me later. A. It was last night that B. It was last night which C. It was last night when D. It was last night whom
7. ......................... the little boy greeted in a strange language. A. It was his grandfather whom B. It was his grandfather who C. It was his grandfather that D. It was his grandfather which
8. ......................... asked the policeman a lot of questions A. It was the pedestrian whom

_____________________________________________

1. We&

   039;re cleaning the house. (doing)

Exercise 6: Choose the correct sentence that is written using the underlined part and cleft sentence with “It”.

1. He spent his summer vacation in Da Lat.

1. It is in Da Lat that he spent his summer vacation.

2. It was in Da Lat that he spent his summer vacation.

3. It is in Da Lat that he spends his summer vacation.

4. It was in Da Lat where he spends his summer vacation.

1. Candidates all over the world took part in the competition with great enthusiasm.

1. It is great enthusiasm that candidates all over the world took part in the competition.

2. It was great enthusiasm that candidates all over the world took part in the competition.

3. It was with great enthusiasm that candidates all over the world took part in the competition.

4. It is with great enthusiasm which candidates all over the world take part the competition.

1. He gains impressive achievements at the age of 20.

1. It is at the age of 20 that he gains impressive achievements.

2. It was at the age of 20 that he gains impressive achievements.

3. It is at the age of 20 that he gained impressive achievements.

4. It was at the age of 20 that he gained impressive achievements.

1. Mary made a great contribution to her husband&

   039;s success.

1. It is Mary who made a great contribution to her husband&

   039;s success.

2. It was Mary who makes a great contribution to her husband&

   039;s success.

3. It was Mary who made a great contribution for her husband&

   039;s success.

4. It was Mary who made a great contribution to her husband&

   039;s success.

1. Most parents are willing to lend their ear to their children.

1. They are their children that most parents are willing to lend their ear to.

2. It is their children that most parents are willing to lend their ear to.

3. They are their children that most parents are willing to lend their ear.

4. It is their children that most parents are willing to lend their ear.

Exercise 7: Rewrite the following sentences, using the cleft sentences “It is/ was ... that” to emphasize the underlined words or phrases