he has had his break fast since 7 o'clock

-he started having his breakfast at 7 o'clock

mr ba has talked to our teacher for an hour

-mr ba started talking to our teacher an hour ago

we started working here 2 years ago

-we has work here for 2 years

we began eating when it started to rain

-we have eaten since it started to rain

i last had my hair cut when i left her

-i haven't had hair cut since i left her

the last time she wrote to me was 5 months ago

-she hasn't written to me for 5 months

it is a long time since we last meet

-we haven't met for a long time

when did you have it?

-how long have you had it

this is the first time i have had such a delicious meal

- I have never had such a delicious meal before

i haven't seen him for 8 days

-the last time I saw him was 8 days ago

i haven't taken a bath since monday

-i last took a bath on Monday

I.

1. It isn't necessary for her to shout.

-> She doesn't need to shout

2. It is necessary for you to repair that old typewrite.

-> You don't nees to reapair that old typewrite

3. It isn't necessary to make an appointment to see the bank manager .

-> You don't need to make an appointment to see the bank manager

II.

1. We spent 2 hours watering the flowers.

-> It took us 2 hours to water the flowers

2. It takes me 15 minutes to go to school by bike

-> I spend 15 minutes going to school by bike

3. It took him a year to study English

-> Ha spent a year studying English

4. It took her 2 hours to type this document

-> She spent 2 hours typing this document

5. We spent 5 hours getting to London

-> It took us 5 hours to get to London

III.

1. He has been working in this factory for 15 years.

-> He started working in this factory 15 years ago

2. He stanted to learn English eight years ago.

-> He has been learning English for eight years

3. We have been learning English for one years.

-> We began to learn English one year ago

4. I have been studying business administration in London for 2 years

-> I began to study business administration in London 2 years ago

5. We started working on this project a year ago

-> We have been working on this project for a year

IV. Each sentence has a mistake find and correct it.

1. Having studied in English for three years, Lan is used to speak => speaking English with her classmate.

2. Sarah was the more=> most capable of the three girls who took part in the play.

3. They study=> have studied English for several years.

4. They work hardly=> hard from morning till night.

5. Nam’s father is accustomed to stay=> staying up late typing his documents.

6. His teacher doesn’t allow ( thêm students) to talk in class.

7. There were so much=> many people that there weren’t enough seat for every one.

8. They are believing=> believe in the story that he is making up.

9. He left the room without to say=> saying a word.

10. Lan wishes that she went=> had gone to the party last night

B1 : Viết lại câu

1,It took him 3 hours to clean the house yesterday

--> He spent 3 hours cleaning the house yesterday

2, He started working as an engineer 5 years ago

--> He has worked as an engineer for 5 years

3, Although her leg was broken , she managed to get out of the car 

--> In spite of her broken leg, she managed to get out of the car 

4,It is very wonderful to spend a week in the countryside

--> Spending a week in the countryside is very wonderful

5, Work harder or you will fail the exam

--> If you don't work harder, you will fail the exam

6, He is too short to be a goalkeeper

--> He isn't tall enough to be a goalkeeper

7, Because of the heavy rain, we couldn't come to school on time

--> Because the rain was heavy, we couldn't come to school on time

8, My sister is interested in lying on the beach all day

--> My sister enjoys lying on the beach all day

9, We are holding some traditional games at school now

--> Some traditional games are being held at school now

10,They have just sold that old house

--> That old house has just been sold

11, In spite of the bad weather, they had a wonderful holiday

--> Although the weather was bad, they had a wonderful holiday

12, Unless he takes these pills , he won't be better

--> If he doesn't take these pills, he won't be better

13, Despite working hard, he can't support his large family

--> Although he works hard, he can't support his large family

B2 : Write sentences with the cues given

1, He / used / wear / uniforms / when / he / be / school

--> He used to wear uniforms when he was at school

2, I / not / meet / parents / since last Sunday

--> I haven't met my parents since last Sunday

3, They / say / they / be / back / following day

--> They said they would be back the following day

4, She / wish / she / have / new computer / next school year

--> She wishes she would have a new computer next school year

5, When I / meet / Lan, / she / go shopping with her mother

--> When I met Lan, she was going shopping with her mother

1,It took him 3 hours to clean the house yesterday

--> He spent  3 hours cleaning the house yesterday.

2, He started working as an engineer 5 years ago

--> He has worked as an engineer for 5 years.

4,It is very wonderful to spend a week in the countryside

--> Spending a week in the countryside  is very wonderful

5, Work harder or you will fail the exam

--> If you don't work harder,  you will fail the exam

8, My sister is interested in lying on the beach all day

--> My sister enjoys lying on the beach all day

9, We are holding some traditional games at school now

--> Some  traditional games is being held at school now.

12, Unless he takes these pills , he won't be better

--> If he doesn't takes these pills, he won't be better.

experienced

experienced

experienced

82. have you been learning English?

83. has he been staying there?

84. does it take him to go to the office?

85. have they been teaching [in] this high school?

86. does it take her to change all of her life?

82. How long have you been learning English?

83. How long has he been staying here?

84. How long does it take him to go to the office?

85. How long have they been teaching at this high school?

86. How long does it take her to change her entire life?

82. How long have you been learned English?

83. How long has he been stayed here?

84. How long does it take him to go to the office?

85. How long have they been teaching this high school?

86. How long does it take her to change all of her life?