

giải thích giúp em với, em cảm ơn ạ
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.
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.