chuyển đổi thì hiện tại hoàn thành sáng quá khứ đơn và ngược lại

CHUYỂN ĐỔI TỪ HIỆN TẠI HOÀN THÀNH SANG QUÁ KHỨ ĐƠN ( VÀ
NGƯỢC LẠI )
* Dạng 1:
S + HTHT (phủ định) + for + thời gian =>It’s + thời gian ….+ since …+ last + QKĐ
(khẳng định)
Ex: I haven’t seen my father for one month.
– It is one month since I last saw my father.
Tom hasn’t had his hair cut for over three months.
– It is three months since Tom last had his hair cut.
• Dạng 2:
S + HTHT (phủ định) + before => It’s + the first time + S + HTHT (khẳng định)
Ex: I haven’t seen that man here before. => It is the first time I have met that man here.
It is the first time I have read this book. => I haven’t read this book before.
* Dạng 3:
- S + HTHT (phủ định) + since / for + …..
- S + last + QKĐ (khẳng định) …+ when + mệnh đề
- The last time + S + QKĐ (khẳng định) + was + thời gian
Ex: I haven’t heard him since August. => The last time I heard him was in August.
I haven’t seen him since I left school. => I last saw him when I left school.
* Dạng 4:
S + HTHT (khẳng định) + for + thời gian => S + began / started + V-ing + thời
gian + ago
Ex: I have worked here for ten years.=> I began working here ten years ago.
It started raining two days ago. > It has rained for two days.
CHUYỂN ĐỔI TỪ HIỆN TẠI HOÀN THÀNH SANG QUÁ KHỨ ĐƠN ( VÀ NGƯỢC
LẠI )
1.Viết lại câu không thay đổi nghĩa:
1) This is the first time he went abroad
.=> He hasn’t…………………………………………..
2) She started driving 1 month ago.
=> She has…………………………………………………………………

3) We began eating when it started to rain.
=> We have……………………………………………………….
4) I last had my hair cut when I left her.
=> I haven’t………………………………………………………….
5) The last time she kissed me was 5 months ago
.=> She hasn’t……………………………………………………….
6) It is a long time since we last met.
=> We haven’t……………………………………………………………
7) When did you have it ?
=> How long ………………………………………………………………….?..
8) This is the first time I had such a delicious meal .
=> I haven’t……………………………………..
9) I haven’t seen him for 8 days.=> The last …………………………………………………..
10) I haven’t taken a bath since Monday.=> It is ……………………………………………….


2.Chia các động từ trong ngoặc ra thì simple past hoặc present perfect:
1)We (studied) ……………a very hard lesson the day before yesterday…………………
2)We (have studied) …………………………………………almost every lesson in this book so
far……………………
3)We (have never watched)……………………………..that television program………………………
4)We (watched) ………………………….an interesting program on television last night
…………………..
5)My wife and I ……………………………………………(had travelled)by air many times in the past
6)My wife and I (travelled)……………….. to Mexico by air last summer
7)I (have read) ………………that novel by Hemingway sevaral times before.
8)I (read) …………………….that novel again during my last vacation .
9)I (had) …………………….a little trouble with my car last week.
10)However,I (have )……………………. no trouble with my car since then.
11) I (have ) ………………..this toy since my birthday.

12)We (live )………………….in HN for ten years now and like it a lot.
13)The last time I (go) ……………………to HN was in May
14)When my parents were on holiday I ( stay)……………… with my aunt for a week
15)I (not see ) my son for ages .He (not visit ) ……………………..me since May
16)Tom ( be) …………….to HN twice .He loves it very much
17)My sister (work ) ……………………for an enterprise for two years .That was after college
18)I (move)……………… to HN in 2001 .I (be ) ………….there a long time now
19)It was so cold today that I (wear)…………… a sweater at school
20)So far this month there (be )……………………. three robberies in this street
21)When I was young I (meet )…………..him three times
22)In the past few years ,it (become )……………….. more and more difficult to get into university
23)I (feel )………………better since I ( live) ……………….here
24) Since I (be ) ……………………in this city I ( not see)…………… him
3. Khoanh tron dap an dung
1. When ____________ the school? a) have you joined b) did you joined c) did you join d) have yo
ever joined
2. _____________ in England?
a) Did you ever worked b) Have you ever worked c) Worked you d) Didn't you have worked
3. That's the best speech _________a) I never heard b) I didn't hear c) I used to hear d) I've ever hear
4. He's the most difficult housemate _____________________
a) I never dealt with. b) I never had to deal with. c) I've ever had to deal with. d) I've never had to deal
with
5. ______ to him last week.a) I spoke b) I've already spoken c) I didn't spoke d) I speaked
6. _____a contract last year and it is still valid.a) We have signed b) We signed c) We haven't signed d)
We have sign
7. ______ from a business trip to France.a) I come back b) I came back c) I never came bac
d) I've just come back
8. Prices ________ in 1995 but then _____ in 1996.
a) rised
falled b) rose

fell c) have risen
have fallen d) rose
have fallen
9. You ____________
to a word ____________
a) listened
I haven't said b) didn't listen I say c) listened saying d) haven't listened I've said
back
10. I can't believe that ________________ the news.


a) you haven't read b) you didn't read c) you don't read d) you read not.