2. from -> since
3. just -> has just
4. đúng
5. is playing -> has played
6. đúng
7. has been missing -> has missed
8. đúng
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1. Jane has ever played the guitar
2. they have ever visited a museum
3. my brother has ever had an accident
4. I have been to a rock concert
5. I have sung in fornt of an audience
6. He has ever listened to this kind of music
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2. have been swum
3. has bought
4. has catched
5. have you learnt
6. have gone
7. has looked
8. have forgotten
9. has been trying
10. has loosen
