CHUYÊN ĐỀ: VIẾT LẠI CÂU VỚI QUÁ KHỨ ĐƠN VÀ HIỆN TẠI HOÀN THÀNH
I. Lí thuyết.
Dạng 1: Ai đó đã bắt đầu làm gì vào lúc nào.    
S + began / started + V-ing + thời gian (QK).
-->S + have/has + V3/ed + since/for + thời gian    Ex: I began working here ten years ago.
-->I have worked here for ten years. 
Mary has learned English since December.
->Mary started learning English in December.
Dạng 2: Ai đó chưa bao giờ làm gì trước đây --> Đây là lần đầu tiên ai đó làm gì.      S + have/has + never + V3/ed + before       -->It’s (this is) the first time + S + have/has + ever + V3/ed.
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 have never read this book before.
Dạng 3: Được bao lâu kể từ lúc (lần cuối) ai đó làm gì
--> Ai đó đã làm (đã không làm) vào lúc nào              It’s + thời gian + since + S (last) + QKĐ.
S + last + QKĐ + thời gian.    The last time + S + QKĐ + was + thời gian.
-->S + have/has (not) + V3/ed + since/for + thời gian.
Ex: It is one month since I last saw my father.
-->I haven’t seen my father for one month. 
     The last time Tom had his hair cut was on Sunday. 
-->Tom hasn’t had his hair cut since Sunday. 
Dạng 4: Ai đó đã làm gì khi nào? --> Ai đó làm gì được bao lâu?
When did + S (last) + Vbare?
How long have/has (not) + S + V3/ed?
How long is it since S + V3/ed?
Chú ý:
Quá khứ đơn
Hiện tại hoàn thành

-in, on, at, when.. + thời gian
- thời gian + ago
- trong câu có last, never
- when
-since + thời gian
- for + thời gian
- viết dạng phủ định
- how long

II. Bài tập: Viết lại các câu sau với từ gợi ý.
Samuel started keeping a diary in 1997.
Samuel has ___________________________________________________________
We started learning English fìve years ago.
We have _____________________________________________________________
I began living in Ho Chi Minh City when I was 8.
I have _______________________________________________________________
She has taught the children in this remote village for five months.
She started ___________________________________________________________
He hasn’t written to me since April.
The last time __________________________________________________________
She hasn’t had a swim for five years.
She last ______________________________________________________________
They last talked to each other two months ago.
They haven’t __________________________________________________________
The last time she saw her elder sister was in 1999.
She hasn’t ____________________________________________________________
She hasn’t written to me for years.
It’s years _____________________________________________________________
Robert and Catherine have been married for ten ỵears.
It’s ten years __________________________________________________________
It’s two weeks since they cleaned their room.
They ________________________________________________________________
It’s over six months since John had his hair cut.
John ________________________________________________________________
How long is it since you rode a bicyde?
When _______________________________________________________________
How long is it since he wrote to ỵou?
When _______________________________________________________________
When did he last talk to you?
How long ___________________________________________________________
When did you last telephone him?
Hong long ___________________________________________________________
We have never eaten this kind of food before.
It’s the ______________________________________________________________
This is the fìrst time I have seen this fìlm.
I have never __________________________________________________________

This is the first time he went abroad.
He hasn’t ____________________________________________________________
She started driving 1 month ago.
She has ______________________________________________________________
We began eating when it started to rain.
We have _____________________________________________________________
I last had my hair cut when I left her.
I haven’t _____________________________________________________________
The last time she kissed me was 5 months ago.
She hasn’t____________________________________________________________
It is a long time since we last met.
We haven’t___________________________________________________________
When did you have your own house ?
How long____________________________________________________________
This is the first time I had a delicious meal .
I haven’t____________________________________________________________
I haven’t seen him for 8 days.
The last_____________________________________________________________
I haven’t taken a bath since Monday.
It is________________________________________________________________
It`s 2 years since I had a punture.
I have________________________________________________________________
It`s 2 months since he earned any money.
He has __________________________________________________________
He last shaved the day before yesterday.
He hasn’t _______________________________________________________
I last drank champagne at my brother`s wedding. 
I haven’t _____________________________________________________________
It`s 2 years since I was last in Rome.