人教版九年级上册第三单元语法知识点梳理.docx

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1、人教版九年级上册第三单元语法知识点梳理Unit 3： Could you please tell mewhere the restrooms are?第三单元的语法重点是：宾语从句；语态；倒装句；程度副词。宾语从句：连接代词和连接副词引导的宾语从句。1 .由连接代词：who, whom, whose, what, which等引导,不能省略。例如： Do you know who he is?2 .由连接副词:how, where, when, why引导，也不可省略。例如:I don，t know where I can buy this kind of camera.3 .宾语从句用陈述句

2、语序，即：连接词+主语+谓语+其他。4 .主句与从句的时态关系：如果主句是一般现在时，从句可以是根据情况所需要的任何时态。例如：I dont know when she came here.Can you tel 1 me when he wi11 come here?(2)如果主句是过去的时态，从句也应用过去时态的某一种。但若从句是表示客 观事实或真理时，从句时态不受主句时态的限制，应用一般现在时。例如： He told us why he would stay at home the next day.The teacher explained how the earth goes aro

3、und the sun.5 .某些由连接代词或连接副词引导的宾语从句可改为含“特殊疑问词+动词不定 式”结构的简单句。例如：Can you tell me where I can buy this book?一Can you tell me where to buy this book?【中考真题工1.一Could you please tell me?一 The people and the food.A.how does Tom like ChinaB. if Tom likes ChinaC. what does Tom 1 ike about ChinaD. what Tom like

4、s about China2.一Could you tell me?一Sure. A story book.A. when did your friend give it to youB. what did your friend give youC.how your friend got to the supermarketD. what your friend gave you语态：英语有两种语态：主动语态和被动语态主动语态表示主语是动作的执行者被动语态表示主语是动作的承受者被动语态的构成由“助动词be+及物动词的过去分词”构成助动词be有人称、数和时态的变化,其变化规则与be作为连系动词

5、时完全一样。被动语态的用法当我们不知道谁是动作的执行者，或者没有必要指出谁是动作的执行者，或者只 需强调动作的承受者时，用被动语态。倒装句：由so+助动词(be/do/will/have)情态动词+主语意为：也是一样例如：She is a student. So am I.她是一个学生，我也是。She went to school just now. So did I.她刚才去学校了,我也是She has finished the work. So have I.她已经完成了工作，我也完成了。She will go to school. So will he.她将去学校,他也是。程度副词：always总是usually 经常sometimes 有时never从不如：I am always/usually/sometimes/never late for school.我总是经常/有时/从不上学迟到。