I. Put the verbs in the present perfect or the present perfect continuous tense.
1. I (try) ______________to learn French for years, but I (not succeed) _____yet.
2. She (read) __________all the works of Dickens. How many (you read) ______?
3. I (wait) ____________________ here nearly half an hour for my girlfriend; do you think she (forget) ____________________ to come?
4. Mary (rest) _______________in the garden all day because she (be) __________________ ill.
5. Although John (study) ____________________ at the University for 5 years, he (not get) ________________his degree yet.
6. Jack (go) _______________ to Switzerland for a holiday. He (never, be) ____________ there.
7. We (live) ____________________ here for the last six months, and (just, decide) ____________________to move.
8. That book (lie) ____________________ on the table for weeks. You (not read) ______________________ it yet?
9. He (not be) _____________________ here since Christmas; I wonder where he (live) ___________________ since then.
10. He (lose) __________________________ his books. He (look) ____________________ for them all afternoon, but they (not turn up) ____________________ yet.
11. She (work) ____________________ so hard this week that she (not have) ____________________ time to go to the cinema.
12. Your hair is wet. (You swim) ____________________ for a long time?
13. Bill is still a bad driver although he (drive) ____________________ cars for six years.
14. You look very tired. (You work) ____________________ very hard ?
15. The phone (ring) _____________________ for 2 minutes, but I (not answer) ____________________ it yet.
II. Rewrite the sentences, using the present perfect or the present perfect continuous.
1. I started discussing my research proposal with my professor at the beginning of my course. We're still discussing it.
→ ____________________________________________________
2. Nam's still studying English. He started studying it two years ago. (for)
→ _______________________________________________________________
3. I started learning how to play the piano eight months ago. I'm still learning it.
→ _______________________________________________________________
4. He attended two online vocational courses: one in 2012 and the other in 2013. (twice)
→ _______________________________________________________________
5. They visited this college in 2009, 2012 and 2014. (three times)
→ _______________________________________________________________
6. The British Council established IELTS a long time ago. It still uses this test as an international standardised test of English for non- native English language speakers. (for)
→ ________________________________________________________________
7. She started her research project last month. She's still doing it.
→ _______________________________________________________________
8. The university started building a new campus in May. They are still building it. (since)
→ _______________________________________________________________
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Sinh Học lớp 12
