2022年高二全册的英语语法知识点.docx
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1、精选学习资料 - - - - - - - - - 高二全册的英语语法学问点重点语法构词法:在英语中,词的构成方法主要有三种,即合成、转化和派生;1.合成法 把两个或两个以上独立的词合成一个新词的方法叫合成法,也叫合词法;1合成名词highway 大路2合成形容词hand-made 手工制作的good-looking 相貌好看的dark-blue 深蓝3合成动词ill-treat 虐待mass-produce 大规模生产safe guard 保卫4合成副词however 然而downstairs 在楼下something 5合成代词anybody nobody 2.转化法 转化是指词由一种词类转
2、化为另一种词类;1动词转化为名词 常用 give, take, have, make等动词与其搭配构成动词词组,表示一个动作;eg: give a smile 微笑 give a tick 踢 take a seat 就座 have a talk 谈话 take a bath 洗澡 have a swim 游泳 make a wish 许愿2形容词转化为副词 How long is the road ?那条路有多条?形容词How long have you been working there. 你在那里工作了多久?副词3形容词转化为动词 eg: The storm slowed down t
3、o half its speed. 风暴速度减慢了一半;The girls gradually quieted down. 女孩子们渐渐寂静了下来了;4名词转化为动词 eg: The hall can seat two thousand people.大厅能坐 2000 人;The passengers have booked their plane ticket.旅客们已经订了飞机票;5形容词转化为名词Something has gone wrong with the tool. 工具出了点毛病; 形容词Little children didnt know the difference be
4、tween right and 小孩子不能区分是非; 名词3.派生法 派生是由词根加词缀前缀、后缀构成新词;除少数前缀外,前缀一般只转变词的意义,不转变词性;后缀一般只转变词性,不引起词义的变化;名师归纳总结 前缀例词第 1 页,共 19 页- - - - - - -精选学习资料 - - - - - - - - - a-构成形容词、副词Alive 活着的 , abroad在国外 , alonedis-否认discourage, disagreeen-使可能enrich, enable使成为可能 ,endangerin-ill, im-, ir- 不,非inter- 相互,之间invisible
5、 看 不 见 , illogical 不 合 逻 辑 的 , impossible, irregular 不规章的international, interchangemis-误mislay, misunderstand误会 ,mislead误导re-重复,再recycle循环 ,remarry, rewritetele-远程telephone, telegraph, telecommunications电信un-不,non-不,非unfair, unknown, noon-conductor 非导体后缀-er 者例词foreigner, traveler, speaker, reader-es
6、e 地方的人Chinese, Japanese, Vietnamese名-ian 精通的musician, technician技术员, African, Asian人, 地方的人-ist 专业人员pianist, physicist, scientist, violiinist词-ment 性质,状态movement运动 , development, encouragement-ness性质,状态-or 器具, 者illness, shyness, sadness, business tractor, visitor, professor, actor名-tion 表示动作、过程、结果age
7、neration世代,suggestion, invention, 词actionpractical有用的 ,international, final 形 American, Italian, Australian 容 southern, northern, eastern 词 helpful, useful, harmful reasonable, capable, eatable foolish, British, English selfish active, native本族的 ,expensive, adoptive windy, sleepy, healthy, sunny car
8、eless, selfless 无 私 心 的 ,harmless, useless名师归纳总结 动-fy 使 化simplify 简化 , terrify 恐吓 , satisfy词-ize 使 成为realize 实现, organize, stabilize, modernize副-ly 表示方式、程度badly, truly, angrily, suddenly词-wards表示方向towards, backward, outwards向外数-teen 十fourteen, eighteen, thirteen词-ty 整十位数forty, fifty, eighty, twenty-
9、th 序数词twelfth, twentieth, fourth第 2 页,共 19 页- - - - - - -精选学习资料 - - - - - - - - - 情态动词情态动词表示说话人对某一动作或状态的态度,如可能、义务、必要、推测等;但本身词义不完全,不能单独做谓语动词,必需和动词原形连用;情态动词没有人称和数的变化;每一个情态动词都有自己的详细含义,都有自己的使用特点;1. can:才能、可以、会;表“ 许可” 时可代替may,但 may 比较正式;eg: Most young men can use computers. 大部分年轻人会用电脑;2. could: can 的过去式,
10、也可表示语气委婉;eg: Could you wait for a while ?请你等一会儿好吗?3. be able to:才能;比 can 有更多的形式, 但表示过去胜利地做了某事时只能用 was/were able to,不能用 could;eg: He was able to reach Mount Qomolangma in 1982.他在 1982 年胜利地登上珠穆朗玛峰;4. may:许可、可能 eg: You may borrow the back numbers. 你可以借过期期刊;may 的否认形式: may not,但表示“ 不行以” 或“ 禁止” 时用May I wa
11、tch TV now. 我现在能看电视吗?No, you mustn t. 不,你不行以看;may 仍可以表示估计;eg: must not eg: There may be a few copies left in the bookstore.书店里可能仍有几本;5. might: may 的过去式;用于估计时语气更加不愿定;eg: He might be at home today. 今日他可能在家;6. must:必需;表示说话人的主观意志;have to 表示客观需要;且比must 有更多的时态形式;eg: We must hand in our papers today.主观看法今日
12、我们必需把卷子交上去;We have to get there before dark. 客观需要天黑前我们必需到达那里;对 must 引导的问句作否认答复经常用neednt或 dont have to;eg: Must I leave now.我现在必需走吗?No, you needn t. You dont have to. 不,你不必;7. shall:在疑问句中用于第一、三人称,表示征求看法或恳求指示;eg: Shall I turn off the power. 要不要我把电源切断?shall 用于二、三人称表示命令、警告或承诺;eg: You shall be punished.你
13、会受到惩处的;8. should:应当; ought to:义务、责任,语气稍重一些;eg: You should keep your promise. 你应当遵守你的诺言;We ought to help them when they are in trouble. 当他们有麻烦时,我们有责任帮忙他们;9. will: 表示意愿 eg: I will stop smoking. 我要戒烟;在疑问句中用于其次人称表示询问和恳求;eg: Will/Would you please do me a favor. 请帮帮忙好吗?10. would: will的过去式,表示提出恳求时语气较委婉;第 3
14、 页,共 19 页名师归纳总结 - - - - - - -精选学习资料 - - - - - - - - - 1在下面的句型中要用 would, 不用 will ;Would you mind if I smoke a cigarette. 我能抽一支烟吗?Would you like to have a look at the house.你想看一看这房屋吗?2但在否认句中用 will ,不用 would;eg: Wont you sit down.你不坐一会儿吗?3would 可表示过去的习惯动作,可和 eg: used to 互换,但 used to 表示现在不存在的习惯;When I w
15、as in Shanghai, she would tell me about the great changes there. 当我在上海时她总是 对我讲上海的庞大变化;He used to drink alcohol, but now he drinks beer. 他过去喝白酒,但现在喝啤酒;11. need 与 dare: 既可作情态动词也可作实义动词;一般在确定句中作实义动词,在否认句 和疑问句中作情态动词;eg: Dare you go out alone at night.dare 是情态动词 晚上你一个人敢出去吗?The bike needs to be repaired.ne
16、ed是实义动词 这辆自行车需要修理;12.情态动词 +have done 表示对过去发生事情的估计;1may/might have done 表示“ 可能”要用 might;eg: might 语气动听;但主句中动词为过去时态,肯定He said she might have missed the train. 他说她可能没赶上火车;2could have done 表示“ 原来能够做某事”;eg: You could have succeeded. 你本能够胜利; 事实是失败了; 3cant/couldn t have done 表示“ 不行能发生某事”;eg: He thought his
17、 son couldnt have taken all the tablets. 他认为他儿子不行能把药全都吃了;4must have done表示“ 确定发生了某事”;eg: The windows look bright and clean today. Some must have cleaned them. 窗子这么洁净光明,肯定有人擦过了;5should/ought to have done 表示“ 本应当做某事”;eg: You should have kept the matches under lock and key.你应当把火柴保管好; 带有责任的意思6neednt hav
18、e done本没有必要做某事;eg: t have hurried.There was plenty of time, so she needn时间很充裕,她本不用匆忙忙忙的;13.某些固定结构中情态动词用法;1had better+动词原形,否认形式为:had better not doeg: You had better go to school at once.你最好马上去上学;2would rather+ 动词原形,否认形式为:would rather not doeg: I would rather do it right away. 我宁可立刻就做;被动语态一被动语态被动语态常用在
19、没有必要或不行能说明动作的执行者的句子中;被动语态的构成是be+动词名师归纳总结 第 4 页,共 19 页- - - - - - -精选学习资料 - - - - - - - - - 的过去分词,应当留意的是:语法变化要在be 动词上表达,助动词放在be 动词前;下面 5 个例句均选自近年来全国高考英语试卷;请同学们依据上下语境,仔细体会各种时态中的被动语态的用法;1.一般现在时的被动语态 eg: I need one more stamp before my collection is completed. 2.现在完成时的被动语态 eg: I ve been told the sports
20、meet must be put off. Yes, it all depends on the weather. 3.现在进行时的被动语态 eg: Have you moved into the new house. Not yet, the rooms are being painted. 4.一般过去时的被动语态 eg: I was given ten minutes to decide whether I should reject the offer. 5.过去完成时的被动语态 eg: The police found that the house had been broken i
21、nto and a lot of things stolen. 有时在被动语态的句子后面加上by+动作的执行者,有时在被动语态的句子后面加上with+动作的手段、方法或工具;eg: He was killed by a falling stone. 他被一块掉下来的石头砸死了;He was killed with a knife. 他被人用刀子杀死了;二习惯上不使用被动语态的几种情形1.不及物动词 词组 如:happen, remain, stay, appear, fall, rise, belong to, break out, take place 等;2. draw, read, se
22、ll, wash, write, open, wear 等作不及物动词用,常用主动表被动;eg: eg: The door wont open. 门打不开;3.不定式在 easy, difficult, fit 等形容词之后作状语时,常用主动形式而不用被动形式;His speech isnt easy to understand. 他的演讲不易懂得;4.在 need, want, require 等动词后,用动名词的主动形式表示被动意义也可用不定式的被动式;eg: The matter wants looking into.=The matter wants to be looked into
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