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被动语态的语法知识点分析
在日常过程学习中，大家对知识点应该都不陌生吧？知识点是知识中的最小单位，最具体的内容，有时候也叫“考点”。为了帮助大家掌握重要知识点，以下是小编收集整理的被动语态的语法知识点分析，欢迎大家分享。
被动语态的语法知识点分析1
(一)被动语态的概念：
不知道或没必要提到动作的执行者是谁时用被动语态。强调或突出动作的承受者常用被动语态(by短语有时可以省略)。
(二)被动语态的构成方式：
be + 过去分词，口语只也有用get / become + 过去分词表示。
(三)被动语态的基本用法：
(1)使用被动语态时应注意的几个问题。
①主动变化被动时双宾语的`变化。看下列例句。
My friend gave me an interesting book on my birthday.
An interesting book was given to me(by my friend)on my birthday.
I was given an interesting book (by my friend)on my birthday.
②主动变被动时，宾补成主补(位置不变);(作补语的)不定式前需加to。
The boss made him work all day long.
He was made to work all day long(by the boss)
③短语动词变被动语态时，勿要掉“尾巴”。
The children were taken good care of (by her).
Your pronunciation and spelling should be paid attention to.
④情态动词和be going to、be to、be sure to、used to、have to、had better等结构变被动语态，只需将它们后面的动词原形变为be +过去分词。
⑤当句子的谓语为say、believe、expect、think、know、write、consider、report等时，被动语态有两种形式：(A)谓语动词用被动语态，动词不定式作主补。(B)用it作形式主语，真正的主语在后面，用主语从句来表示。如：
People say he is a smart boy.
It is said that he is a smart boy.
He is said to be a smart boy.
People know paper was made in China first.
It is known that paper was made in China first.
Paper was known to be made in China first.
类似句型有:It is said / known / suggested / believed / hoped/ thought that …
①所有的不及物动词或不及物动词词组，不能用于被动语态之中。
②表示状态的谓语动词，不能用于被动语态之中，如：last、hold、benefit、contain、equal、fit、join、mean、last、look like、consist to等。
③表示归属的动词，不能用于被动语态之中，如：have、own、belong to等。
④表示“希望、意图”的动词，不能用于被动语态之中，如：wish、want、hope等。
⑤宾语是反身代词或相互代词时谓语动词用主动语态，不能用被动语态。
⑥宾语是同源宾语，不定式、动名词等谓语动词不用被动语态。
⑦有些动词以其主动形式表示被动意义，特别是当主语是物时，常见的动词有sell、write、wash、open、lock等。
被动语态的语法知识点分析2
首先，被动语态由be＋过去分词构成，be随时态的变化而变化。
下面我们以give为例，各种时态的被动语态形式为：
一般现在时：am/is/are＋given
The first section of New College English is designed for speaking practice and is based on pictures and topics.
一般过去时：was/were＋given
These computers were made in our own country.
一般将来时：will/shall be＋given
Shall we be asked to attend the opening ceremony?
过去将来时：would be＋given
The news would be sent to the soldier's mother as soon as it arrived.
现在进行时：am/is/are being＋given
The machine is being repaired in the workshop. The fifth generation computers, with artificial intelligence, are being developed and perfected now.
过去进行时：was/were being＋given
The feast was being prepared when the birds arrived in the sky
现在完成时：has/have been＋given
Swift progress has also been made in culture and education.
过去完成时：had been＋given
The huge bridge had been damaged before the World WarⅡ.
将来完成时：will/shall have been＋given
The book will have been published by the end of next month.
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