【正文】
am is being + pp. are has been + pp. have 過(guò) 去 was + pp. were was being + pp. were had been + pp. 將 來(lái) shall be + pp. will 過(guò) 去 將 來(lái) should be + pp. would The formations of the passive voices of modal verbs(B): must/can/ may/should + be + pp. ( ) 1. They won’t be back until the work . A. do B. does C. is done ( ) 2. Our TV set _____ yesterday. A. is repaired B. was repaired C. had been repaired ( ) 3. A new building _____ in our school next year. A. will be built B. is built C. is being built ( ) 4. Many books on science _____ since I went to college. A. were bought B. have been bought C, will be bought ( ) 5. A wonderful English talk _____ by Mr Liu tomorrow. A. has been given B. is given C. is being given D. will be given ( ) 6. This maths problem _____ out by little Tom. A. can be easily work B. can easily be worked C. can is easily worked ( ) 7. Don39。t go in . Your son _____ inside the room. A. is operated on B. is being operated on C. operates on ( ) 8. Food and clothes ____ by women. A is often talk about B. are often talked C. are often talked about ( ) 9. The boys ____ copy the new words ten times before they went home. A. were make B. were made to C. were maked to D. was made to ( ) 10. A man ____ cry for help last night. A. was heard to B. was heard C. was hear to D. heard to ( ) 11. Mary ____ do morning exercises on the playground. A. saw to B. was saw to C . was seen to D. was seen 答案:略