1. Have they arrived already?

2. Lucy has run 2000 metres today.

3. I have been cleaning all morning – I’m fed up!

4. How long have you known Simon?

5. I’ve been drinking more water lately, and I feel better.

6. Sorry about the mess! I’ve been baking.

7. How many times have you taken this exam?

8. He has eaten six bars of chocolate today!

9. Julie has cooked dinner. Let’s go and eat!

10. The students have finished their exams. They’re very happy

Giải thích:

Cấu trúc

Khẳng định

S + have/ has + VpII...

Phủ định

S + have/ has + not + VpII...

Nghi vấn

Have/ has + S + VpII...?

Yes, S + have/has.
No, S + have/has + not.

1. Have they arrived 

2. has run

3. have been cleaning

4. have you known 

5. have been drinking

6. have been baking

7. have you taken 

8. has eaten 

9. has cooked 

10. have finished