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1、最新高三英语重点语法知识点梳理精选五篇 英语语法是针对英语语言进行研究后，英语语法系统地总结归纳出来的一系列语言规则。英语语法的精髓在于掌握语言的使用。下面就是给大家带来的高三英语语法知识点总结，希望能帮助到大家！ 虚拟语气 I?虚拟语气在if?引导的条件句中的易错点。? ?if?my?lawyer?had?been?here?last?Saturday,?he?would?have?prevented?me?from?going.? ?if?you?had?studied?hard?at?school,?you?would?be?a?college?student?now.? 句子都是虚拟语
2、气在条件句中的使用，从句中都是假设过去的情况，所以用过去完成时，但在主句中，句依然指代过去的情况，谓语动词是would?have?done，而中含有一个表示现在的时间状语now,?这样就必须将其理解为假设现在的情况，所以谓语动词必须为would/should/might+动词原形，学生在这一点上经常会忽略now的存在，从而按句的形式填写答案。? 虚拟语气在名词性从句中的用法? 1.在it?is?important?(strange,?natural,?necessary)+that?句子或者It?is?decided?(ordered,suggested,?demanded,?advised)
3、+that句子中，主语从句中的谓语动词常用(should)+动词原形结构，表示某事“重要”、“必要”、“被决定”等? 例如：?it?is?important?that?everyone?(should?)?obey?the?rules?all?day?and?all?night.? ?it?is?decided?that?the?meeting?(should)?be?held?tomorrow?afternoon.? 2.?suggest,?insist?后面指宾语从句时需注意的地方? 1)suggest?当“建议”“提出”讲时，其后宾语从句的谓语动词常用“should+动词原形”?例如：H
4、e?suggested?that?the?work?(should)?be?started?at?once?他建议立即动工。? 类似的动词还有insist坚持，demand要求，desire要求、请求，request请求，require要求、需要，order命令，propose建议，mand命令，ask要求，advise建议，prefer宁愿等。?这些动词变被动语态(如：It?is?suggested?+?that主语从句)形式后，主语从句谓语动词仍用“(should)+动词原形”?这些动词变名词(如suggestion)后，其后的表语从句和同位语从句中的谓语部分仍用“(should)+动词原
5、形”? suggest?当“提出(某看法)，暗示，启发”讲时，其后宾语从句的动词不用虚拟语气。?例如：(1)The?police?suggested?that?the?thief?might?be?one?of?the?family?member? 警察局提出窃贼可能是一名家庭成员。? (2)Her?yawns?suggests?that?she?is?sleepy.?她打哈欠表明她困了。? (3)Although?he?didnt?suggest?that?we?_?the?decision?to?swim?across?the?river,?but?his?look?suggested?t
6、hat?our?decision?_wrong.虽然他没提出我们应该终止游过这条河的决定，但他的表情表明我们的决定是错误的。? A：stop;?wasB:?should?stop;?be C:?stopped?;wasD:?stopped;?should?be? 在这个句子中，前一个suggest当“建议”“提出”讲，而后一个作“表明”讲，所以答案为“A”? 2)insist作“坚决要求该;坚持认为定要”讲时，其后宾语从句的谓语动词用“(should)+动词原形”? 例如：I?insisted?that?you?(should)?be?there?on?time.我坚持认为你应该准时到那里去?
7、 insist?作“坚持(意见，看法);坚持说，确信”讲时，其后从句不用虚拟语气。 例如：He?suggested?(that)?he?heard?someone?in?the?next?room.?他坚持说他听到隔壁屋子里有人。? 一、that 从句 1、主语从句 (1)that从句作主语时，常用it作形式主语，常见的句型有： It+be+形容词(obvious, true, natural, surprising,good,wonderful,funny,possible,likely,certain,probable,etc.)+that从句 It+be+名词词组(no wonder,
8、an honor, a good thing, a pity, no surprise, etc.)+that从句 It+be+过去分词(said, reported, thought, expected, decided, announced, arranged, etc.)+that从句 (2)that可以省略，但that从句位于句首时，that不能省略。 2、宾语从句 (1)常见的可以接that从句作宾语的动词有see, say, know, imagine, discover, believe, _, show, think, consider, be sure, be afraid等
9、。在可以接复合宾语的动词之后，如think, make, consider等，可以用it作形式宾语。 (2)That从句一般不能充当介词宾语，偶尔可作except, in 的宾语。 3、表语从句(that不可省略) 4、同位语从句 连词that引导同位语从句时，应在某些抽象名词之后，如：fact, hope, desire, thought, suggestion, idea, news, problem, possibility等，对前面的名词起补充说明的作用，that在从句中不担当任何成分，不能省略。 二、whether/if从句 1、在表语从句和同位语从句中只能用whether不能用if
10、;当主语从句放于句首时，只能用whether不用if;当it作形式主语，主语从句放在句末时用whether或if均可;discuss后引导宾语从句时，必须用whether。 2、在宾语从句中： (1)及物动词后：whether从句中不能有否定式，宾语从句为否定句时用if;if不能与or not连用，但可以用whether or not;whether后可以加不定式。 (2)介词后：只能用whether,不用if。 含有状语从句、名词性从句和定语从句的复合句 用or, and, so, if 填空 1.One more week, _ we will aomplish the task.(If
11、we are given one more week, we will aomplish ) 2.Follow your doctors advice, _ your cough will get worse.(If you follow your doctors advice, your) 3.The WTO can not live up to its name _it does not include a country that is home to one fifth of mankind. 归纳: 常用于表示并列的连词有：and, not onlybut also, neither
12、nor, so, on one handon the other hand等连接两个并列分句表示两个同等概念 (Keys: 1 and 2 or 3 if ) 用but, and, so , when, since, while, as 填空 1. I do every single bit of housework _ my husband Bob just does the dishes now and then. 2. -I think George doesnt really care for TV plays. -Right, _ he still watches the progr
13、am. 3. What he said is strange, _ yet it is true. 1. while 2. but 3. and 归纳：常用于表示转折的连词有：but, still, however, and yet, while, when等。连接两个意义相反的并列分句，表示转折。这些次的用法区别是：but连接并列分句，不用逗号搁开，注意不能将although(though)与but 同时使用;however常用于句首、句中，用逗号搁开;yet构成and yet, 等。 非谓语：(to do/ doing / done) (By Yuan) 1.To do(to be don
14、e) / doing / done 作状语的区别： To do(to be done)：作目的状语，结果状语(特定句型) Doing(being done, having done )/done： 作伴随、时间、原因、让步、结果状语等。 1) plete the task ahead of time, they kept working throughout the night. 2) The spy broke into the bank, only find two policemen waiting for him with a gun. 3) He hurried back home,
15、 leave piles of work unfinished. 4) Defeat time and again, he still didnt lose heart. (分析：1)To/ In order to plete 目的 2)only to find 后接to do 形式,表示一种未预料的结果3)leaving 结果 4) Defeated让步) 2.To do(to be done) / doing / done 作定语的区别： To do(to be done)：多表示未完成的动作，和某些特定句型 doing ：(being done)：表示正在进行和经常性的动作 done ：被动,完成的动作和经常性的动作 1)The mander gave an order attack the enemy before dawn. 2)Who were the first people reach American continent. 3)People liv
