英語語法被動(dòng)語態(tài)講解
這是CN人才網(wǎng)小編推薦的英語語法被動(dòng)語態(tài)講解，歡迎閱讀。
1.被動(dòng)語態(tài)的構(gòu)成
由于不及物動(dòng)詞不能帶賓語，故無被動(dòng)語態(tài)，只有及物動(dòng)詞或相當(dāng)于及物動(dòng)詞的動(dòng)詞短語才有被動(dòng)語態(tài)，其基本構(gòu)成方式是“助動(dòng)詞be+過去分詞”。
注意：“be+過去分詞”結(jié)構(gòu)不一定都是被動(dòng)語態(tài)，有些動(dòng)詞(如 be，feel，look，seem等)后面的過去分詞已轉(zhuǎn)化為形容詞，用作表語表示狀態(tài)。如：
My bike is broken.(我的自行車壞了。)
The door is open.(門開了。)
2.主動(dòng)語態(tài)改被動(dòng)語態(tài)的方法
1)將主動(dòng)語態(tài)改為被動(dòng)語態(tài)應(yīng)注意以下三個(gè)方面：①將主動(dòng)語態(tài)的賓語改為被動(dòng)語態(tài)的主語;②將主動(dòng)語態(tài)的謂語動(dòng)詞改為“be+過去分詞”結(jié)構(gòu);③將主動(dòng)語態(tài)的主語改為介詞by之后的賓語，放在謂語動(dòng)詞之后(有時(shí)可省略)。
2)含直接賓語和間接賓語的主動(dòng)語態(tài)改為被動(dòng)語態(tài)時(shí)有兩種情況：①把間接賓語改為被動(dòng)語態(tài)的'主語，直接賓語仍保留原位;②把直接賓語改為主動(dòng)語態(tài)的主語，此時(shí)，間接賓語前要加介詞to或 for。如：
He gave the boy an apple.→ The boy was given an apple.(或An apple was given to the boy.)
Her father bought her a present.→ She was bought a present by her father.(或A present was bought for her by her father.)
3)不帶to的動(dòng)詞不定式作賓語補(bǔ)足語的主動(dòng)語態(tài)，改為被動(dòng)語態(tài)時(shí)不定式前要加to。如：
They watched the children sing that morning.→ The children were watched to sing that morning.
4)帶復(fù)合賓語的動(dòng)詞在改為被動(dòng)語態(tài)時(shí)，一般把主動(dòng)語態(tài)的賓語改為主語，賓語補(bǔ)足語在被動(dòng)語態(tài)中作主語補(bǔ)足語。如：
We call him Xiao Wang.→ He is called Xiao Wang.
He cut his hair short.→ His hair was cut short.
They told him to help me.→ He was told to help me.
5)短語動(dòng)詞是不可分割的整體，改為被動(dòng)語態(tài)時(shí)要保持其完整性，介詞或副詞不可遺漏。如：
We must take good care of the young trees.→The young trees must be taken good care of.
6)含有賓語從句的主動(dòng)結(jié)構(gòu)變?yōu)楸粍?dòng)結(jié)構(gòu)時(shí)，通常用it作為被動(dòng)結(jié)構(gòu)的先行主語，從句放在句子后面;也可采用另一種形式�？梢赃@樣轉(zhuǎn)換為被動(dòng)結(jié)構(gòu)的動(dòng)詞有know，say，believe，find，think，report等。如：
People believe that he is ill.→It is believed that he is ill.(或：He is believed to be ill.)
3.被動(dòng)語態(tài)改為主動(dòng)語態(tài)的方法：
被動(dòng)語態(tài)中介詞by后的賓語改為主動(dòng)語態(tài)中的主語(或按題意要求確定主語)，按照這個(gè)主語的人稱和數(shù)以及原來的時(shí)態(tài)把謂語動(dòng)詞形式由被動(dòng)語態(tài)改為主動(dòng)語態(tài)。注意在主動(dòng)語態(tài)中有的動(dòng)詞要求不帶to的動(dòng)詞不定式作賓語補(bǔ)足語，此時(shí)要把被動(dòng)語態(tài)中的to去掉。被動(dòng)語態(tài)的主語用來作主動(dòng)語態(tài)的賓語。如：
History is made by the people.→ The people make history.
4.雙賓動(dòng)詞即指帶雙賓語的動(dòng)詞，它們?cè)谧優(yōu)楸粍?dòng)語態(tài)時(shí)，有以下兩種情形值得注意：
(1) 有些雙賓動(dòng)詞(如award, buy, give, leave, lend, offer, pay, show, teach, tell等)在變?yōu)楸粍?dòng)語態(tài)時(shí)，既可把間接賓語(指人)變?yōu)楸粍?dòng)語態(tài)的主語，而把直接賓語(指事物)保留下來(稱為保留賓語)，也可把直接賓語(指事物)變?yōu)楸粍?dòng)語態(tài)的主語，而把間接賓語改為介詞to 或for引起的狀語(到底用to還是for，與所搭配的動(dòng)詞有關(guān))。比較：
He gave her some money. 他給她一些錢。
對(duì)應(yīng)： She was given some money. / Some money was given to him.
He bought her a watch. 他給她買了一快表。
對(duì)應(yīng) A watch was bought for her. / She was bought a watch.
(2) 有些雙賓動(dòng)詞(如bring, do, make, pass, sell, send, sing, write等)通常用直接賓語(指事物)作被動(dòng)語態(tài)的主語，而將間接賓語用作保留賓語(其前根據(jù)情況用介詞to或for)：
Father made me a doll.
對(duì)應(yīng)： A doll was made for me.
He wrote her a letter.
對(duì)應(yīng)： A letter was written to her.
(3) 有些雙賓動(dòng)詞(如answer, deny, envy, refuse, save, spare等)通常用間接賓語(指人)作被動(dòng)語態(tài)的主語，而將直接賓語用作保留賓語：
He answered me that question. 對(duì)應(yīng)：
I was answered that question by him.
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