Bài tập 4.Rewrite the sentence in the same meaning:

1. I think you should give up smoking immediately. (had)

I think you ……………………………………………………

2. I am sure you were surprised when you heard all the news (must)

     You ………………………………………………………………….. when you heard the news

3. Someone almost certainly broke the window on purpose. (must)

     The window ………………………………………………….. on purpose

4. I am sure that the cat is in the house somewhere. (must)

     ……………………………………………………………………

5. It is possible that one of the men died on the mountain. (may)One of the men

     ……………………………………………………on the mountain.

6. It’s necessary for me to bring my passport. (have)

     I ……………………………………………………………………

7. It wasn’t necessary for you to do all this work ( don’t need)

     You ………………………………………………….. all this work

8. I am sure that John is not the thief. (can’t)

     …………………………………………………………………..

1 we did not visit the museum because we had no time a if we have time , we will visit the museum b if we had time , we would visit the museum c if we had had time , we would have visited the museum d if we had had time , we will visit the museum 2 he looked frightened as if he ................ a ghost a sees b is seeing c has seen d had seen 3 ........... resigned , we would have been forced to sack him a had he not b had not he c he had not d he not had 4 if you ................ me about the bad service , we’d have eaten there a did not tell b would not have told c had not told d had told 5 the teacher was absent today, so class was canceled . if she ........... absent again tomorrow , class ........ tomorrow,too a is/will cancel b is / will be canceled c was / would be canceled d was/ would cancel 6 if you .................. to my advice in the first place , you............... in this mess right now a listen/will be b had listened / would not have been c will listened / would not be d had listened/ would not be 7 if i had been absent from class yesterday , i ............. the math test a would missed b would have missed c will miss d miss 8 if you ............... here earlier , you ............. her a had come / would have met b come / meet c came / would meet d comes will meet 9 i think you should stop smoking a if i am you , i will stop smoking b if i were you , i will stop smoking c if i were you , i would stop smoking d if i had been you , i would stop smoking 10 if i were , i would work harder a you would rather not work so hard c you should work harder c you should work with me d do not work so hard