Bài 9:Viết lại các câu dưới đây với “since” hoặc “for”,sử dụng thì hiện taj hoàn thành. 1. I/have/this computer/three years. . 2. They/live/Da Lat/last year. . 3. She/be/happy/she had the mobile phone. . 4. We/learn/French/a month. . 5. She/work/in this school/2012. . 6. I/use/computers/5 years. . 7. The washing machine/stop working/this morning. . 8. They/know/her a long time. . 9. He/read/this/novel/9 o’clock. .

2 câu trả lời

1. I have had this computer for three years.

2. They have lived in Da Lat since last year.

3. She had been happy since she had the mobile phone.

4. We have learnt French for a month.

5. She has worked in this school since 2012.

6. I have used computers for 5 years.

7. The washing machine has stopped working since this month.

8. They have known her for a long time.

9. He has read this book since 9 o'clock.

S + have/ has + V3/ed 

for + khoảng thời gian

since + thời gian xác định.

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hoidap247

`1.` I have used this computer for three years.

`2.` They have lived in Da Lat since last year.

`3.` She has been happy since she had the mobile phone.

`4.` We have learnt French for a month.

`-` learn - learned/ learnt - learned/ learnt: học

`5.` She has worked in this school since 2012.

`6.` I have used the computers for 5 years.

`7.` The washing machine has stopped working since this morning.

`8.` They have known her for a long time.

`-` know - knew - known: biết

`9.` He has read this novel since 9 o’clock.

`-` read - read - read: đọc

___________________________

`o.`Thì hiện tại hoàn thành:

$(+)$ S + have/ has + V(pp)

$(-)$ S + have/ has + not + V(pp)

$(?)$ Have/ Has + S + V(pp) ?

`o.` since + mốc thời gian/ QKĐ

`@` QKĐ (Quá khứ đơn)`:`

$(+)$S + Ved/ V2

$(+)$ S + was/ were + N/ adj

`o.` for + khoảng thời gian

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