VI.Give the correct form of the verbs in the present perfect : 

- Công thức của thì hiện tại hoàn thành:

S+has/have+Ved/cot 3

S+hasn't/haven't + Ved/cot 3 

Has/have + S + Ved/cot 3 ? 

Yes , S + has/have

No , S + hasn't / haven't 

1.Tom has seen this film before .DHNB : before 

2.I have finished my exercise already . DHNB : already .

3.They have lived here since 1990 . DHNB : since 

4. My father has just washed his car .DHNB : just 

5. The students have discussed the question recently .DHNB : recently 

6.Mary has never been to Ha Noi . DHNB : never 

7.We have known each other for 5 years . DHNB : for 

8.So far we have learned/learnt five lessons . DHNB : so far 

9. We have been pen pals for a long time . DHNB : for a long time 

10. They have stayed here since last week . DHNB : since 

Vote + cam on + ctlhn cho mk nha . >< 

1.Tom has seen this film before.

2.I have finished my exercise already.

3.They have lived here since 1990.

4. My father has just washed his car.

5. The students have discussed the question recently.

6. Mary has never been to Ha Noi.

7. We have known each other for 5 years.

8. So far we have learnt/learned five lessons.

9. We have been pen pals for a long time.

10. They have stayed here since last week.

*Công thức của thì hiện tại hoàn thành:

I,you, we, they + have + Ved

He,she it + has +Ved

Cho mk ctlhn nha