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高一英语语法重点

12-26 23:18:37   浏览次数:959  栏目:高一英语

标签:高一英语学习方法介绍,高一学习计划,http://www.quxue6.com 高一英语语法重点,

  一、直接引语和间接引语

  (一)直接引述别人的原话,叫做直接引语;用自己话转述别人的话,叫做间接引语。间接引语一般构成宾语从句。直接引语必须放在引号内,间接引语则不用引号。直接引语改为间接引语时,除将引语部分变成宾语从句外,还必须对直接引语中的人称、时态、指示代词、时间状语、地点状语等进行改变。

  1.时态的变化:直接引语变为间接引语时,通常受转述动词said, asked等的影响而使用过去化的时态,即把原来的时态向过去推,也就是一般现在时变为一般过去时,现在进行时变为过去进行时,等等。例如:

  Tom said to me,“My brother is doing his homework.”

  →Tom said to me that his brother was doing his homework.

  2.人称代词、指示代词、时间状语、地点状语等等的变化:根据意义进行相应的变化,例如:

  She asked Jack,“Where have you been?”

  →She asked Jack where he had been.

  He said,“These books are mine.”

  →He said that those books were his.

  (二)直接引语改为间接引语时,都使用陈述语序,但是因为原句的句式不同,所以变成间接引语时所用的连词会有所不同。直接引语如果是一般疑问句,用连接词whether或if;如果是特殊疑问句,则用疑问词引导间接引语。转述的动词一般用asked,可以在其后加上一个间接宾语me, him, her, us等。如:

  She said,“Is your father at home?”

  →She asked me if/whether my father was at home.

  “What do you do every Sunday?”My friend asked me.

  →My friend asked me what I did every Sunday.

  直接引语如果是祈使句,改为间接引语时,要将祈使句的动词原形变为带to的不定式,并在不定式的前面根据原句的语气(即请求或命令)加上ask, tell, order等动词,如果祈使句为否定式,则在不定式前加not。其句型为:ask / tell / order someone (not) to do something.例如:

  She said to us,“Please sit down.”

  →She asked us to sit down.

  He said to him,“Go away!”

  →He ordered him to go away.

  He said, “Don’t make so much noise, boys.”

  →He told the boys not to make so much noise.

  二、各种时态的被动语态

  被动语态概述

  被动语态的概念:它是动词的一种形式,表示主语与谓语之间的执行或被执行关系。主动语态表示主语是谓语动作的执行者,例如:They saw the little boy crying by the river.

  被动语态表示主语是谓语动作的承受者,例如:The little boy was seen crying by the river.

  被动语态的构成

  被动语态的形式是由“助动词be+动词的过去分词”构成。助动词be随着主语的人称、数、时态等的不同而变化。几种常见时态的被动语态形式如下:

  1.一般现在时 am/is/are +过去分词

  例如:Rice is planted in the south of China.

  2.一般过去时 was/were +过去分词

  例如:These trees were planted the year before last.

  3.一般将来时 will/shall + be +过去分词

  例如:A sports meeting will be held next week in our school.

  4.现在进行时 am/is/are + being +过去分词

  例如:Your radio is being repaired now.

  5.过去进行时 was/were + being +过去分词

  When he got there, the problem was being discussed.

  6.现在完成时 have/has + been +过去分词

  His work has been finished.

  Has his work been finished?

  Yes, it has. / No, it hasn’t.

  7.过去完成时 had + been +过去分词

  注意:

  1.除了be之外的其它系动词如get, stay等也可以和过去分词构成被动语态。

  例如:

  Their questions haven’t got answered.

  2.含有情态动词的谓语变成被动语态使用“情态动词+ be +过去分词”结构。

  例如:

  More attention should be paid to the old in this country.

  This work can’t be done until Mr. Black comes.

  3.含有“be going to”, “be to”等结构的谓语,其被动语态分别用“be going to + be +过去分词”和“be to + be +过去分词”。

  例如:

  The problem is going to be discussed at the next meeting.

  All these books are to be taken to the library.

  4.被动语态与系表结构的区别:“连系动词+用作表语的过去分词”构成的系表结构,与被动语态的形式完全一样,所以应注意它们的区别。被动语态中的过去分词是动词,多强调动作;系表结构中的过去分词相当于形容词,多强调状态。前者通常可用by 引出动作的执行者,而后者则不可以。

  例如:

  The map was changed by someone.(被动结构)

  That custom remained unchanged for many centuries.(系表结构)

  系表结构中的过去分词通常可被very修饰,被动语态中的过去分词往往要用much修饰。

  例如:

  He was very excited.(系表结构)

  He was much excited by her words.(被动结构)

  5.主动形式表被动意义。有些动词的主动形式有被动意味,如 open, read, sell, shut, wash, wear, write等。此时句子的主语一般是物。

  例如:

  These books sell well.这些书很畅销。

  The door won’t shut.这门关不上。

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