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時態(tài)后加ing。t been built by the government.疑問句:Has a road been built by the government? Yes, it has. / No, it hasn39。 五、主動語態(tài)變被動語態(tài)的方法(1)把主動語態(tài)的賓語變?yōu)楸粍诱Z態(tài)的主語。B. Was。B. has been given B. will plant D. planted(C. has been done t listen(請注意時態(tài)和語態(tài)兩個方面噢)39。 It ______ ________ The light green dresses ________ ________ by you now.4. People use metal for making machines. (改為被動語態(tài))______ (make) of ?8. They_______________(make) of metal(金屬) and wood.9. Can the magazine ________ (take) out of the library?10. The room _____________ (clean) by me every day.11. The stars can’t _____________ (see) in the daytime.12. How long _____ your uncle ______(be) in the city?13. The food _____________ (smell) delicious.14. Look! Someone __________(dance).三、按要求改寫下列句子,一空一詞。t enter the room because its door______ .A. locked B. locks C. is locked D. is locking ( )22. They ______day and night.A. are made work B. will discussC. is going to be discussed D. has been discussed ( )11. The lab ____ about five years ago.A. was built B. was built C. builds D. has been built ( )12. A lot of tall buildings _____ in his hometown in the last three years.A. have set up B. have been set up C. were set up D. set up ( )13. They ____ printing 500 copies by the end of last month.A. had finished B. have finished C. had been finished D. have been finished ( )14. Rice ___ also _____ in their hometown.A. is…grown B. is…grew C. was…grew D. was…grown ( )15. He ____ by the teachers.A. is always praised B. praisesC. have been praised D. always is praised ( )16. The picture______ B. was given, wasn39。) lot of things ____ by people to save the little girl now.C. will be given build( (3)把主動語態(tài)中的主語放在介詞by之后作賓語,將主格改為賓格。例如:Some new puters were ___________(steal)last night.一些新電腦在昨晚被盜了。人稱、數(shù)和時態(tài)的變化是通過be的變化表現(xiàn)出