新概念英語第二冊語法大全：被動語態(tài)

新概念英語第二冊語法大全：被動語態(tài)(1)強(qiáng)調(diào)動作的承受者：AmericawasdiscoveredbyColumbus.

(2)不知誰是動作的執(zhí)行者：Youarewantedonthephone.

(3)作客觀說明：Itissaidthatthemeetinghasbeenputoff.(經(jīng)典句型)

2.主動變被動的根本方法：(說起來簡單，把握起來需要專心!)

(1)主動語態(tài)中的賓語變?yōu)楸粍诱Z態(tài)的主語。

(2)謂語動詞變?yōu)橛伞癰e+過去分詞”的形式，協(xié)作時態(tài)作相應(yīng)變化。

(3)主動語態(tài)主語置于介詞by之后，如無必需，則省略。

(4)不及物動詞沒有被動語態(tài)。

現(xiàn)在do(does)→am/is/are+done

Wekeepthepianointheliving-room.

→Thepianoiskeptintheliving-room.

過去did→was/were+done

Theybuiltthebridgein1980.

→Thebridgewasbuiltin1980.

將來shallshall

willdo→will+be+done

Hewillreadthebooktomorrow.

→Thebookwillbereadtomorrow.

現(xiàn)在完成havehave

hasdone→has+been+done

Wehavedeliveredthenewspaper.

→Thenewspapershavebeendelivered(byus).

過去完成haddone→hadbeendone

Shehadseenthefilmbeforeshecamehere.

→Thefilmhadbeenseenbeforeshecamehere.

將來完成shallshall

willhavedone→willhave+been+done

Bytheendofthistermweshallhavefinished80texts.

→Bytheendofthisterm80textswillhavebeenfinished.

現(xiàn)在進(jìn)展amam

isdoing→is+being+done

areare

Theyaredrawingthepicture.

→Thepictureisbeingdrawnbythem.

過去進(jìn)展wasdoing→was+being+done

werewere

Hewasreviewingtheirlessonsatthismomentyesterday.

→Theirlessonswerebeingreviewedatthismomentyesterday.

情態(tài)動詞maymay

cancan

mustmust

shoulddo→should+be+done

oughttooughtto

usedtousedto

Youmu