Unit 5 Great People

 he cut down a tree.     a tree was cut down by him.
五、含有情態動詞的被動語態
含有情態動詞的主動句變成被動句時,由"情態動詞+be+過去分詞"構成,原來帶to的情態動詞變成被動語態后"to"仍要保留。
we can repair this watch in two days.     this watch can be repaired in two days.
they should do it at once.      it should be done at once.
六、特殊情況
1.he made the boy work for two hours yesterday.
the boy was made to work by him for two hours yesterday.
2.mother never lets me watch tv .
i am never let to watch tv by mother.
3.jack gave peter a christmas present just now.
a christmas present was given to peter by jack just now.
peter was given a christmas present by jack just now.
被動語態專項練習
1.the peoples republic of china _________ on october 1, 1949.
a. found b. was founded c. is founded d. was found
2.  english _________ in canada.
 a. speaks b. are spoken c. is speaking d. is spoken
3  this english song________ by the girls after class.
  a. often sings b. often sang c. is often sang d. is often sung
4  this kind of car ________ in japan.
a, makes b. made c. is making d. is made
5  new computers __________ all over the world.
a. is used b. are using c. are used d. have used
6. our room must _________ clean.
 a. keep b. be kept c. to be kept d. to keep
7. -id like to buy that coat.
  -im sorry. ________.
a. it sold b. its selling c. its been sold d. it had been sold
8.  a new house ________ at the corner of the road.
  a. is building b. is being built c. been built d. be building
9. the key _________ on the table when i leave.
 a. was left b. will be left c. is left d. has been left
10. doctors ________ in every part of the world.
a. need b. are needing c. are needed d. will need
11.  his new book_________ next month.
  a. will be published b. is publishing c. is being published d. has been published
12.  japanese ___________ in every country.
   a. is not spoken b. are spoken c. is speaking d. is not speaking
13. these papers__________yet.
   a. have not written b. have not been written c. has not written d. has not been written
14. the sports meet _________ be held until next week. a. didnt b. wont c. isnt d. doesnt
15. _________ the watch been repaired yet? i badly need it.
 a. does b. has c. is d. are
16. who was the book________?
 a. write b. wrote c. written d. written by
17. where _________ these boxes made?
 a. was b. were c. is d. am