`3.` Have you ever done

`-` Ta có ever là DHNB của thì HTHT

`-` Cấu trúc thể nghi vấn: ( ? ) Have/Has + S + VpII + ...?

`4.` have had

`-` Ta có so far là DHNB của thì HTHT

`-` Cấu trúc: S + have/has + VpII + ...

`5.` has done

`-` Cấu trúc: S + have/has + VpII + ... + before + S + V2/V-ed + ...

`6.` have lived

`-` Ta có "for more than 50 years" là DHNB của thì HTHT

`-` Cấu trúc: S + have/has + VpII + ...

`7.` bought

`-` Ta có "two days ago" là DHNB của thì QKD

`-` Cấu trúc: S + V2/V-ed + ...

`8.` Did you see

`-` Ta có "last night" là DHNB của thì QKD

`9.` have read

`IV.`

`1.` Have you ever been - have been

`-` Thì HTHT có dấu hiệu nhận biết là ever

`2.` go

`-` Thì HTD có DHNB là every day 

`3.` did you meet 

`-` 3 years ago `->` Thì QKD

`4.` hasn't phoned

`-` yet `->` Thì HTHT

`5.` have known

`-` Thì HTHT do có since

`6.` lived

`-` in 1999 `->` QKD

`7.` didn't see

`-` Thì QKD - yesterday morning

`8.` has painted

`9.` left

`-` last night `->` Thì QKD

`10.` have taught

`-` Thì QKD - for over five years

3. Did you ever do/ Have you ever done volunteer work? 4. I had/ have had five tests so far this semester. 5. Linus did/ has done his homework before he went to sleep. 6. This is my grandparents’ house. They lived/ have lived here for more than 50 years. 7. She bought/ has bought a new mobile phone two days ago. 8. Did you see/ Have you seen Peter at the party last night? 9. I read/ have read this book twice and I still find it very interesting. 10. They didn’t play/ haven’t played very well yesterday. They lost the match. IV. Put the verbs into the correct tense, past simple or present perfect. 1. HAVE YOU EVER BEEN (you/ ever/ be) to the United States ? - No, but I HAVE BEEN (be) to England and France. 2. When we were in Canada, we  GO (go) skiing almost every day. 3. When DID YOU MEET (you/ meet) your wife? - 3 years ago. 4. Peter HASN'T PHONED  (not phone) yet. I’m still waiting. 5. I HAVE KONOWN  (know) Helen since we were at school together. 6. My uncle LIKED  (live) in Berlin in 1999. 7. We DIDN'T SEE  (not see) Beth at Mike’s house yesterday morning. 8. Do you like this picture? My uncle PAINTS (paint) it. 9. Mr. Dass LEFT  (leave) for New York late last night. 10. Mr and Mrs Grey HAVE TEACHED  (teach) French here for over five years

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