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

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.

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.

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

1 I has never seen such a beautiful building before.

->It's 

56. I have never read such a romantic story before. 

->This is 

57. They have never had such a cold winter before.

-> It is

51. I have never seen a dirtier-looking dog before.

->This is

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

->The last time

58. I haven't played football since 2000.

->l last

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

-> It’s

65. I have learned English for four years.

->We started

67. The editor hasn't written to Mai for a month.

->It’s

->the last time

1. It's the most beautiful building I have ever seen.
56. This is the most romantic story I have ever read.
57. It is the coldest winter they have ever had.
51. This is the dirtiest-looking dog I have ever seen.
54. The last time John had his hair cut was over six months ago.
58. I last played football in 2000.
59. It’s been two years since I last went to HCM city.
65. We started learning English four years ago.
67. It’s been a month since the editor wrote to Mai the last time.

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...

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

 This is ______the dirtest-looking dog I have seen______________________________________________________

12. Mary rang hours and hours ago.

 It it hours __since Mary rang_________________________________________________________

13. It is ages since Alan visited his parents.

 Alan ____hasn't visited his parents for ages___________________________________________________________

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

 It is __over six months since John had his hair cut______________________________________________________________

15. I have never read such a romantic story.

 This is the most ___romantic story I have read___________________________________________________