giúp em với ạ và giải thích nữa ạ (em đang cần gấp)
1. This is the first time we (see)  Scotland, so it’s all new to us                
 2. Michael Caine (be)  to London two times this year
 3. “We’re still looking for Mark” . “Hasn’t he (find) yet?”                                           
 4.  We (visit)  Switzerland four times during the 1970s
  5. Are Alice and Tom still living in New York? -No, they just (move)to Dallas      
   6.She (be) ill for several months 

7. Nobody can persuade her (change) her mind                                                      
   8. We (talk) of nothing since you (leave) 

9. He told me that he (meet) me at the airport the next time I came.                       
   10. It is a grey day today. The sun (not shine)
 

11.When he (receive) the photographs next week, he (show) them to you          
   12. I arranged (meet) them here.

13. Almost everyone(leave) by the time we (arrive) yesterday                                  
14. The leaves (fall) from trees when autumn (come).

15. Tomorrow we (leave)  this place.  I (wait)  for this.                                             
    16. David (be) born after his father (die) 

17. What you (do) at one o’clock this morning?                                                          
  18. Up to now, the teacher (give) our class five tests.

19. My uncle (not give) up (smoke) after the doctor (tell) him he risked (have) a heart attack if he continued 

20. There is an international football match on TV tonight. Liverpool (play) against Manchester   
   21.He dreads (have) to retire 

22. You (manage) (finish) (pack) these parcels last night?                                      
   23. Don’t forget (lock) the door before (go) to bed

24. Are you free this afternoon? No, I am not. I (attend) a lecture given by Professor Jones

25. Mary (drive) to work every day, but today she (wait) for the bus .                       
26. I can’t wait until the weekend (come)

27.These boys (work) in the garden for three hours                                                
    28. The roads (widen)  so we have to find another way