把下面兩句變?yōu)楸粍?dòng)語(yǔ)態(tài):

1.We always keep the classroom clean.

2.His mother has made him do the housework.

答案:
解析:

  答案:

  1.The classroom is always kept clean.

  2.He has been made to do the work by his mother.

  解析:如果主句結(jié)構(gòu)的謂語(yǔ)動(dòng)詞后接復(fù)合賓語(yǔ)(賓語(yǔ)+賓語(yǔ)補(bǔ)足語(yǔ)),變被動(dòng)語(yǔ)態(tài)時(shí),只能將賓語(yǔ)變?yōu)楸粍?dòng)結(jié)構(gòu)的主語(yǔ),賓語(yǔ)補(bǔ)足語(yǔ)則成了被動(dòng)結(jié)構(gòu)中的主語(yǔ)補(bǔ)足語(yǔ)。注意感官動(dòng)詞see, watch, hear, feel等和使役動(dòng)詞make, let, have等后接不帶to的不定式短語(yǔ)作賓語(yǔ)補(bǔ)足語(yǔ)時(shí),變被動(dòng)語(yǔ)態(tài)時(shí)須補(bǔ)上to.


練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

同步練習(xí)冊(cè)答案