1.    I have never seen a dirtier-looking dog.

ð  This is __the first time I have seen such a dirty-looking dog.______________

2.    Mary rang hours and hours ago.

ð  It it hours __and hours since Mary rang_____

3.    It is ages since Alan visited his parents.

ð  Alan _has not visited his parents for ages________

4.    John has not had his hair cut for over six months.

ð  It is _six months since John had his hair cut____

5.    I have never read such a romantic story.

ð  This is the most __romantic story I have ever read_____

6.    They had never had such a cold winter.

ð  It was the __coldest winter they have ever had______

7.    You will never meet anyone more dangerous than Mrs Jones.

ð  Mr. Jones is the most __dangerous person you will meet____

8.    Man has never had such efficient servants as computer.

ð  Computer is the most ___efficient servant that man has ever had___

9.    I haven't played football since 2000.

ð  The last time __I played football was in 2000____

10.                   I haven't been to HCM city for 2 years.

It is 2 years since I was to HCMC

chuyển đổi thì hiện tại hoàn thành sang quá khứ đơn

1 This is the first time he went abroad

he hasn't......... gone abroad before ......

2 she started driving 1 month ago

she has ........... driven for 1 month .......

3 we began eating when it started to rain 

we have  ...... eaten since it started to rain.......

4 i last had my hair cut when i left her 

i haven't ....... my hair cut since I left her ....

5 the last time she kissed me was 5 months ago

she hasn't ........ met me for 5 months.....

6 It is a long ime since we last met 

We haven't ....  met for a long time...

7 when did you have it ? 

how long ... have you had it?...

8 this is the first time I had such a delicious  meal.

I haven't... had such a delicious meal.....

9  I haven't seen him for 8 days 

the last... time I've seen him was 8 days ago....

10 I haven't taken a bath since Monday

It is... 3 / 2 ... days since I last took a bath...

here last December .

have done volunteer work for 10 years

have eaten sice it stared to rain

teaching the children in this remote village was five months ago. 

has kept a diary since 1997

have learnt English for fìve years

has lived in Đông Hà City since he was 8.

1. I have lived here since last December .

I moved here last December..........

2. We started doing volunteer work  10 years ago.

àWe....have done volunteer work for 10 years....

3.We started eating when it started to rain

- We .....have eaten since it started to rain.......

4. She has taught the children in this remote village for five months

-She started.........teaching the children in this remote village 5 months ago...............

5. Lan started keeping a diary in 1997

 Lan ..has kept a diary since 1997.........

6. We started learning English fìve years ago.

  We .....have learnt English for 5 years..........

7. He started  to live  in Đông Hà City when he was 8.

 He......has lived in Đông Hà City since he was 8........

59. The last time I really enjoyed myself was your birthday party.

I haven’t __enjoyd__myself since your birthday party___________________________________________

60. It's nearly 20 years since my father saw his brother.

My father hasn’t __seen his brother for 20 years_______________________________________

61. When did you learn to drive?

How long is it __sicne you learned to drive________________________________________

62. The last time I went swimming was when we were in Spain.

I haven’t __gone swimming since we were in __Spain__________________________________________

63. You haven't tidied this room for weeks.

It’s weeks _since the last time you tidided_this room___________________________________________

64. We started looking for a flat 2 months ago and we are still looking.

We have _looked for a flat for 2 months____________________________________________

65. This is the first time I've been to a night club

I haven’t _been to a night club before_____________________________________________

66. They have never heard such a thing before.

This is the first time _they have heard such a thing_____________________________________

67. Noone has challenged his authority before.

This is the first time __Noone has challenged his authority____________________________________

68. She left university 2 years ago

It is _2 years since she left university_________________________________________________

69. My mother was the most warm-hearted person I've ever known.

I have _not met the most warm-hearted person my mother before________________________________________________

 I haven't enjoyed myself since your birthday party

 My father hasn't seen his brother for 20 years

How long is it since you learned to drive

 I hasn't swum since we were in Spain

It's weeks since the last time you tidied this room

We have been looking for a flat for 2 months

 I haven't been to a night club before

This is the first time they've heard such a thing

This is the first time one has challenged his authority.

It is for 2 year since she left university

Bài 4: Bài tập chuyển đổi thì hiện tại hoàn thành sang quá khứ đơn

1. She has written to me since March. 

-> The last time …she wrote to me was in March

2. Mrs.Linh has taught the children in that remote village for two years

 -> Mrs.Linh started …teaching the children in that remote village two years ago

3. Nhi and Bin have been married for seven years. 

-> It’s seven years …since Nhi and Bin were married

4. He hasn’t written to me for years. 

-> It’s years …since he last wrote to me

5. He hasn’t had a swim for four years. 

-> He last …had a swim 4 years ago

Bài 4: Bài tập chuyển đổi thì hiện tại hoàn thành sang quá khứ đơn

1. She has written to me since March. 

-> The last time … she wrote to me was in March.

2. Mrs.Linh has taught the children in that remote village for two years

 -> Mrs.Linh started …  to teach the children in that remote village two years ago.

3. Nhi and Bin have been married for seven years. 

-> It’s seven years … since Nhi and Bin were married.

4. He hasn’t written to me for years. 

-> It’s years …  since he wrote to me.

5. He hasn’t had a swim for four years. 

-> He last … had a swim four years ago.

chuyển đổi thì hiện tại hoàn thành sang quá khứ đơn

1 How long have you been here?

->  When did you go here?

2 this is the first time I have seen such a beautiful girl

->  I have never seen such a beautiful girl before.

3 I haven't gone to school for 4 months because of covid-19

->  The last time I went to school was 4 months ago because of covid-19

4 I have never visited Halong Bay before 

->  This is the first time I have visited Halong Bay.

5 I haven't cheated in exam for years

->  It is years since I last cheated in exam

6 I have married for 10 years

-> I started marrying 10 years ago.

7 How long have she lived in Danang

->  When did she start living in Danang?

8 He hasn't smoked for 2 years

-> He last smoked 2 years ago.

9 I have learnt french for 3 years

->  I began learning French 3 years ago.

10 I haven't met her for 5 days

-> I last met her 5 days ago.

1.It's the first time I eat this kind of food.

2.I have never seen this film before.

3.It's monday since I last took a bath.

1. She started driving 1 month ago.

=> She has DROVE FOR 1 MONTH.

2. We began eating when it started to rain.

=> We have EATEN SINCE IT STARTED TO RAIN.

3. I last had my hair cut when I left her.

=> I haven't CUT MY HAIR SINCE I LEFT HER.

4. The last time she kissed me was 5 months ago.

=> She hasn't KISSED ME FOR 5 MONTHS.

5. It is a long time since we last met.

=> We haven't MET FOR A LONG TIME.

1. She has driven for 1 month.

2. We have eaten since it started to rain.

3. I haven't had my hair cut since I lelf her,

4. She hasn't kissed we for 5 months.

5. We haven't met for a long time

When did you go here?

I have never seen such a beautiful girl before.

The last time I went to school was 4 months ago because of covid-19

This is the first time I have visited Halong Bay.

It is years since I last cheated in exam

I started marrying 10 years ago.

When did she start living in Danang?

He last smoked 2 years ago.

I began learning French 3 years ago.

I last met her 5 days ago.

1 When did you move here

2 I have never seen such a beautiful girl

3 I last went to school 4 months ago because of covid 19

4 This is the first time I have visited Ha Long Bay

5 I last cheated in exam years ago

6 I was married 10 years ago

7 When did she lived in Da  Nang?

8 He last smoked 2 years ago

9 I started learning English 3 years ago

10 I last met her 5 days ago