一被動語態(tài)的含義

英語中時態(tài)很多，但語態(tài)不多，只有兩種，即：主動語態(tài)和被動語態(tài)。所謂“被動語態(tài)”，相當于中文中常說的“被……”、“由……”的句式，如：“他的自行車被偷了。”，“這座樓房是由他們建造的。”

二被動語態(tài)的結構

那么，英語中被動語態(tài)是怎么樣構成的呢?請看下面的例句(注意劃線部分)

His bicycle was stolen.

The building has been built in 2000.

通過上面的例句，可以看出，“被動語態(tài)”的構成是：

be + 過去分詞 + (by+動作執(zhí)行者)

三被動語態(tài)的運用

什么情況下要用被動語態(tài)呢?一般地說，有下面幾種情況：

(1) 不知道誰是動作的執(zhí)行者或沒有必要。例如：

Paper is made from wood. (紙是由木材生產出來的。)

The house is quite old. It was built in 1950. (這座房子太舊了。它是1950年建成的。)

He was wounded in the fight. (他在戰(zhàn)斗在受傷了。)

Electricity is used to run machines. (電是用來開動機器的。)

(2) 需要強調動作的對象時。例如：

Calculator can't be used in the maths exam.

(計算器不能用于數學考試。)

Books and newspapers in the reading room mustnt be taken away. (閱覽室的書籍和報紙不準帶走。)

He was awarded first prize in that contest.

(他在比賽中獲得了第一。)

(3)為了使語氣婉轉，避免提到是誰做的這件事。例如：

The construction of the new lab must be completed by the end of next month. (新實驗室必須在下個月底前完工。)

四各種時態(tài)的被動語態(tài)舉例

一般地講，被動語態(tài)可用于英語的各種時態(tài)。為了能準確地運用被動語態(tài)，重點是要掌握be動詞的各種時態(tài)變化。各種時態(tài)的被動語態(tài)舉例如下：

1、 一般現在時的被動語態(tài). am / is / are + 動詞的過去分詞

Our classroom is cleaned every day.

This car is made in China.

2、一般過去式的被動語態(tài): was / were + 動詞的過去分詞

His desk was cleaned just now.

The station was built in 1928.

3、現在進行時的被動語態(tài): am / is / are + being + 動詞的過去分詞

A new factory is being built in our city now.

Some trees are being cut down in the park.

4、過去進行時的被動語態(tài): was / were + being + 動詞的過去分詞

A new factory was being built in our city at that time.

Some babies were being looked after by Miss Chen last year.

5、一般將來時的被動語態(tài):

(A) will / shall + be + 動詞的過去分詞

(B) am / is / are + going to be +動詞的過去分詞.

Some new factories will be built in our city this year.

Your watch is going to be mended in an hour.

6、過去將來時的被動語態(tài): (1).would / should + be + 動詞的過去分詞 (2).was / were +going to be + 動詞的過去分詞.

She said that some new factories would be built soon in our city.

He thought that your watch was going to be mended after an hour.

7、現在完成時的被動語態(tài):have / has + been + 動詞的過去分詞

Some new factories have been built in the city since last year.

Your watch has been mended already.

8、過去完成時的被動語態(tài):had + been + 動詞的過去分詞

He said that some new factories had been built in the city.

I didn’t know that my watch had been mended .

9、含情態(tài)動詞的被動式：can/may/must + be + done

例如：He can not be found. / I must be paid for this.

如何將主動語態(tài)變成被動語態(tài)

1、從句子意義上說，就是重新找出“什么事物”是“被完成”的。

例1.

主動語態(tài)：人們說英語。People speak English in many countries.

被動語態(tài)：英語被說。　English is spoken in many countries..

例2.

主動語態(tài)：我們造這座橋。We built this bridge last year.

被動語態(tài)：這座橋被建造。This bridge was built last year.

2、從語法的角度說，把原句的賓語改成主語。

例1.

主動語態(tài)：小王邀請你(賓語) Xiao Liu has invited you to a lunch party.

被動語態(tài)：你(賓語)被邀請。 You has been invited to a lunch party by Xiao Wang.

例2.

主動語態(tài)：你不準帶走雜志(賓語) You must not take these magazines out of the reading-room.

被動語態(tài)：雜志(賓語)不準被帶走.These magazines must not be taken out of the reading room.

例3.

主動語態(tài)：他們授給他(賓語)一枚獎章(賓語).They gave him a medal for his wonderful work.

被動語態(tài)：他(賓語)被授予一枚獎章. He was given a medal for his wonderful work.

被動語態(tài)：一枚獎章(賓語)被授給了他.A medal was given to him for his wonderful work.

六被動語態(tài)復習要點

A.熟記結構

被動語態(tài)的結構為“助動詞be+及物動詞的過去分詞(p.p)”。被動語態(tài)的不同時態(tài)是通過be的時態(tài)變化來表示的，其人稱和數方面應與主語保持一致。其具體變化為：

一般現在時：am/is/are+p.p.

一般過去時：was/were+p.p.

一般將來時：shall /will be +p.p.

現在完成時：have /has been +p.p.

現在進行時：am/is/are+being+p.p.

過去將來時：should /would be +p.p.

含情態(tài)動詞的被動結構：情態(tài)動詞+be+p.p.例如：

① Chinese ______ by the largest number of people.

A.speak

B.is speaking

C.speaks

D.is spoken

(② The boy ______ to get supper ready after school.

A.were told

B.is telling

C.was told

D.tells

③ A lot of new roads ______ built in the west of China.

A.must

B.must be

C.has

D.have

B.明確用法

被動語態(tài)常用于以下兩種情況：

1.不知道誰是動作的執(zhí)行者，或者沒有必要指出誰是動作的執(zhí)行者;

2.強調動作的承受者。例如：

這棵樹是那個男孩弄斷的。

The tree ______ ______ by that boy.

C.熟練轉換

1.將主動語態(tài)變被動語態(tài)的基本方法為：

①將主動語態(tài)的賓語作被動語態(tài)的主語;

②謂語動詞變?yōu)?ldquo;be+及物動詞的過去分詞”，并通過be的變化來表達出不同的時態(tài);

③主動語態(tài)的主語變?yōu)榻樵~by的賓語，組成介詞短語放在被動結構中的謂語動詞之后。(有時by短語可以省略)。

2.被動語態(tài)的一般疑問句是將一個助動詞置于主語之前;否定句是在第一個助動詞后加not;特殊疑問句的語序為：疑問詞+一般疑問句。例如：

① You must throw the broken pottery away at once.

The broken pottery ______ ______ ______ ______ at once.(同義句)

(② Where did they grow vegetables?(改為被動語態(tài))

Where ______ vegetables ______ ?

D.注意特例

將主動語態(tài)變被動語態(tài)應注意幾個特殊情況：

1.含雙賓語的主動結構變?yōu)楸粍咏Y構時，有兩種方法：

①將間接賓語變?yōu)橹髡Z，直接賓語保持不變;

②將直接賓語變?yōu)橹髡Z，間接賓語用介詞to或for引導。例如：

① He told us a story.(變被動語態(tài))

→We were told a story(by him).或：A story was told to us by him.

② Her mother gave her a new pen.(變被動語態(tài))

A new pen ______ ______ ______ her by her mother.

2.短語動詞的被動語態(tài)：在變?yōu)楸粍诱Z態(tài)時，要將短語動詞視為一個整體，其后的介詞或副詞不能省去。例如：

① This dictionary mustn't ______ from the library.

A.take away

B.taken away

C.are taken away

D.be taken away

② She will take good care of the children.(變被動語態(tài))

The children will ______ ______ ______ ______ ______ (by her).

(3.含有復合賓語的主動結構變被動結構時，通常將賓語變?yōu)楸粍泳涞闹髡Z，而賓語補足語就成為主語補足語。注意：省略to的不定式作賓補時，不定式符號to必須補上。例如：

Someone saw him swim in Qianling Lake yesterday.(變被動

He ______ ______ ______ swim in Qianling Lake yesterday.

(4.不定式的被動結構：動詞不定式的被動語態(tài)為“to be +過去分詞”。例如：

The radio says a wild animal zoo is to ______ in our city.

A.be building

B.build

C.be built

D.built

5.以疑問代詞開頭的疑問句轉換成被動句時要注意詞序：應將主動句中的疑問代詞改為介詞by的賓語，但仍然放在句子開頭。例如：

Who has broken the cup?(改為被動語態(tài))

→By whom has the cup been broken?

E.注意區(qū)別

被動語態(tài)和過去分詞作表語的區(qū)別：

1)含義不同：被動語態(tài)強調動作，重點說明動作由誰完成、怎樣完成;而過去分詞作表語通常用來描寫情景，敘述人或事物的特征及所處的狀態(tài)。試比較：

The window is broken.窗子破了。(系表結構)

The window is broken by him.窗子被他打破了。(被動語態(tài))

2)用法不同：過去分詞作表語時可以被 so，very，too等程度副詞修飾，而被動語態(tài)則不能用so，very，too修飾，而需用much，very much，so much，too much修飾。試比較：

He was very interested in science.他對科學有極大興趣。(系表結構)

I was so much surprised at the scene that I didn't know what to do.我被那種場面搞得大吃一驚，不知所措。(被動語態(tài))

F.牢記(相關)句型

初中教材中與被動語態(tài)相關的句型有：

1.be covered with被……覆蓋

2.be made of由……制作(發(fā)生物理變化)

be made from由……制作(發(fā)生化學變化)

be made in由(某地)制造

be made by被(某人)制造

3.be used for被用來……

be used as被當作(作為)……來使用

be used to do sth.被用來做某事

4.It is said that...據說……

It is hoped that...希望……

It is well known that...眾所周知……例如：

①—Your coat looks nice.Is it ______ cotton?

—Yes.It's ————Shanghai.

A.made of;made by

B.made of;made in

C.made for;made by

D.made for;made in

② This machine is used ______ the room wet.

A.for keeping

B.as keeping

C.keep

D.to keeping

③ 據說在南京長江上又在建一座橋。

______ ______ ______ that ______ ______ is being ______ over the Changjiang River in Nanjing.

七幾種特殊的被動語態(tài)

1.帶不定式的被動語態(tài)。

The child is sure to be punished for that. 那個孩子肯定會因為那件事受罰的。

2. 帶介詞的動詞短語的被動語態(tài)。

Such a thing has never been heard of. 這件事前所未聞。

3. 帶副詞的動詞短語的被動語態(tài)。

The radio has just been turned off. 收音機剛剛被關上。

4. 當sell, wash, clean, run, ride, wear, write等動詞若有狀語well, easily, badly來修飾時，用主動形式表達被動意義。

The pen writes well. 這枝鋼筆寫字流暢。

The book sells well. 這本書很暢銷。

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