高中英语必背知识点总结归纳梳理20xx.docx
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1、高中英语必背知识点总结归纳梳理20xx学习英语学生要利用好每天早晨和睡前这两个有效时间段熟读英语单词、词组、对话和课文。狠抓词汇、短语、句型和英语范文的记忆。力争在有效的时间内先将机械的记忆存储起来。下面是我为大家整理的有关中学英语必背学问点总结归纳梳理,盼望对你们有协助! 中学英语必背学问点总结归纳 1情态动词与助动词1、can能,可以,表说话人同意,许可还可表客观条件许可,如:You can go now. 提建议或恳求时可用can I, can you表客气,如Can I buy you a drink? can和be able to表实力时的区分。 can表一般具有的实力,be abl
2、e to表在特定条件下的实力,如:Although the driver was badly hurt,he wasable to explain what had happened. 2、may (1)可以,表说话人同意,许可或恳求对方许可。You may go. (2)(此时此刻和将来)可能,或许,只用于确定句和否认句中,如He may not be right. 3、must,have to must表主观上的必需,have to表客观上的必需,如:Its getting late. I have to go. -Must I go now.-Yes,you must.(No, you
3、neednt./ No, you dont have to.) 4、need,dare这二词有实意动词和情态动词两种词性,如用作实意动词后接动词不定式to do,如用作情态动词后接动词原形。Need I go now? -Yes, you must./No, you neednt.) 5、shall用于第一人称疑问句中表说话人征求对方的看法或向对方恳求,如,Shall we begin our lesson?用于二、三人称陈述句,表说话人吩咐、警告、承诺、威逼等口吻,如: You shall fail if you dont workharder. 6、should表应当,意为有责任,有义务。
4、如:We should try our best to make our country more beautiful. 7、will表有做某事的意志、意愿、安心、准备,如Will you lend me your book? Yes, I will. 8、should have done表应当做而未做 must have done表对过去事实的确定推想 could have done表本可以做某事 9、判定句:确定句用must, 否认句用cant,不太确定用may,might He must be in the office now. He must have gone to bed, fo
5、r the light is out. He cant be in the office. He is at home. He couldnt have cleaned the classroom, because he didnt come here today. He might be in the office, I am not sure. He might have cleaned the room, I suppose. 2让步状语从句1、though,although,as的区分 A、Though,although的主句中可以用yet, still, nevertheless,但
6、不行运用but。 B、though引导的从句可以倒装,也可以不倒装;as引导的从句必需倒装;although引导的从句不能倒装。其构造为:形容词/分词/副词/动词原形/名词(无冠词)+as/though+主语+谓语 2、though可用作副词,放在句末,意为“不过,但是”。Although无此用法。 3、某些短语也引导让步的从句或短语,意为“尽管”,如:in spite of the fact that, despite the fact that,regardless of(the fact that) 句子种类 1、陈述句的否认 (1)在含有宾语从句的主从复合句中,当主句的谓语动词是thi
7、nk, expect, believe, suppose, guess, fancy,imagine等,且主句主语是第一人称时,宾语从句谓语的否认习惯上要移到主句谓语上,如: I dont think he is right. (2)含有否认意义的副词never, seldom, hardly, scarcely, rarely, barely的句子应视为否认句,如: I have never been there before. 2、反意疑问句 (1)need和dare 既可作情态动词,又可作实意动词,在反问局部须加以区分,如We neednt leave, need we? We dont
8、 need to leave, do we? (2)陈述局部出现否认意义的副词或代词如never, seldom, few, hardly, little等时,反问局部须用确定形式,如:He seldom comes, does he? (3)陈述局部用不定代词作主语时,反问局部的主语用it ,如:Nothing can stop me, can it? 陈述局部用everybody, everyone, somebody, someone,等作主语时,反问局部常用it,有时也用they,如:Everybody knows that, dont they? (4)陈述局部包括used to 时
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