1)帶情態(tài)動(dòng)詞的被動(dòng)結(jié)構(gòu)。其形式為：情態(tài)動(dòng)詞+be+過(guò)去分詞。例:The baby should be taken good care of by the baby-sitter.

2) 有些動(dòng)詞可以有兩個(gè)賓語(yǔ)，在用于被動(dòng)結(jié)構(gòu)時(shí)，可以把主動(dòng)結(jié)構(gòu)中的一個(gè)賓語(yǔ)變?yōu)橹髡Z(yǔ)，另一賓語(yǔ)仍然保留在謂語(yǔ)后面。通常變?yōu)橹髡Z(yǔ)的是間接賓語(yǔ)。例:His mother gave him a present for his birthday. 可改為 He was given a present by his mother for his birthday.

3) 當(dāng)“動(dòng)詞+賓語(yǔ)+賓語(yǔ)補(bǔ)足語(yǔ)”結(jié)構(gòu)變?yōu)楸粍?dòng)語(yǔ)態(tài)時(shí)，將賓語(yǔ)變?yōu)楸粍?dòng)結(jié)構(gòu)中的主語(yǔ)，其余不動(dòng)。例:Someone caught the boy smoking a cigarette. 可改為T(mén)he boy was caught smoking a cigarette.

4)在使役動(dòng)詞have, make, get以及感官動(dòng)詞see, watch, notice, hear, feel, observe等后面不定式作賓語(yǔ)補(bǔ)語(yǔ)時(shí)，在主動(dòng)結(jié)構(gòu)中不定式to要省略，但變?yōu)楸粍?dòng)結(jié)構(gòu)時(shí)，要加to。例:Someone saw a stranger walk into the building. 可改為A stranger was seen to walk into the building.

5) 有些相當(dāng)于及物動(dòng)詞的動(dòng)詞詞組，如“動(dòng)詞+介詞”，“動(dòng)詞+副詞”等，也可以用于被動(dòng)結(jié)構(gòu)，但要把它們看作一個(gè)整體，不能分開(kāi)。其中的介詞或副詞也不能省略。例The meeting is to be put off till Friday.