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.

1. I have been this computer for three year.

2. They have lived Da Lat since last year.

3. She has been happy for she had the mobile phone.

4. We have learned French for amonth.

5. She has worked in this school sice 2012.

6. I have used coputer for 5 years.

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

8. They have known for a long time.

9. He has readed this novel since 9 o'clock.

Bạn áp dụng ct thì HTHT nhé :

S + have/ has + V3/ed 

for + khoảng thời gian

since + thời gian xác định.

( Có gì sai sót mong bạn bỏ qua )