文档介绍：被动语态
1． 一般现在时的被动语态：is\am\are + done
2. 一般将来时的被动语态：will(is\am\are going to) + be + done
3． 一般过去式的被动语态：was\were + done
4. 现在完成时态的被动语态：has\have+ been + done
5. 情态动词的被动语态：情态动词(must\can\may...) + be + done
（ ）1． English ＿＿＿ in Canada.         
A. speaks   B. are spoken C. is speaking   D. is spoken
（ ）2．This English song_＿＿＿_by the girls after class.
  A. often sings   B. often sang  C. is often sang   D. is often sung
（ ）3．This kind of car＿＿＿ in Japan. 
  A．makes B. made C. is making D. is made
（ ）4．New computers ＿＿＿_all over the world.  
  A. is used B. are using C. are used D. have used
（ ）5．Our room must ＿＿＿_clean.   
  A. keep B. be kept C. to be kept D. to keep
（ ）6．A new house ＿＿＿_at the corner of the road.
  A. is building   B. was built   C. been built   D. be building
（ ）7．Doctors ＿＿＿in every part of the world.  
  A. need        B. are needing C. are needed D. will need
（ ）8．His new book_＿＿＿_next month.
A. will be published B. is publishing
C. is being published D. has been published
（ ）9．These papers＿＿＿_yet. 
A. have not written B. have not been written
C. has not written D. has not been written
（ ）10．The sports meeting ＿＿be held until next week. 
  A. didn't    B. wo