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1、小升初英语语法要点 动词的分类 类别特点意义举例 实义动词 (vt. vi 。) 及物动词跟宾语须跟宾语一起才能表达完整的意思I have a book.。 不及物动词不能直接 接宾语 能独立作谓语She always comes late 。 系动词 (link-v)跟表语不能独立做谓语，跟表语构成完整意思I am a student。 助动词 (aux. v。 ) 跟动词原形或分词 ( 无词汇意义 ) 不能独立做谓语，跟主要动词构成谓语，表 示疑问，否定及各种时态 He doesnt speak Chinese 。 I am watching TV。 情态动词 (mod. v。) 跟动词原
2、形 ( 有自己 的词汇意思 ) 不能独立做谓语。表示说话人语气、情态， 无人称和数的变化 We can do it by ourselves 。 That would be better。 第二方面： 短语动词， 短语动词是由一些动词和其它词构成短语，表达一个完整的意 思。其构成方式如下。 构成方式举例 动词 +介词Look at, look after 动词 +副词Give up, put into 动词 +副词 +介词Catch up with, look down upon 动词 +名词 +介词Take care of, pay attention to Be+ 形容词 +介词Be pr
3、oud of, be afraid of 复杂结构Make up one s mind, wind ones way 第三方面： 按动词的形式可以分为谓语动词和非谓语动词。 1、 谓语动词 形式意义举例 人称与主语在人称一致I am reading now. 第一人称 数与主语在数上一致He writes well. 第三人称单数 时态表示动作发生的时间He wrote a letter to me last month. 过去时态 语态主语是动作的发生者或者承受者 We study English。主动 The road was filled with rubbish. 被动 语气说话人表达
4、事实、要求、愿望等 He has flown to America. 事实 I wish I could fly to the moon some day. 愿望 2、 非谓语动词 形式意义用途举例 不定式起形容词和名词作用 可作主语、表语、宾语、定 语、状语 It takes me 20 minutes to go to school 。 动名词起名词作用作主语和宾语She likes reading。 分 词 现在分 词 起形容词、副词作用， 表主动作表语、定语、状语、宾语 补足语 The cup is broken 过去分 词 起形容词、副词作用， 表被动 The steam is se
5、en rising from the wet clothes。 名词的数 可数名词有单数和复数两种形式。这和汉语不同，比如，在汉语中，我们说一个苹果， 那就是一个苹果，没什么特殊变化。你要说三个苹果，只需把“一”换成“三”就可以了。 而在英语中，一个苹果是one apple ，三个苹果是 three apples，不仅数量词变化了，名 词也有相应的变化。下面我们就将名词变复数的规则分为规则变化和不规则变化。 第一部分：规则变化 情况构成法读音例词 一般情况 ( 包括以 e 结尾的名词 ) 加 -s -s 在清辅音 ptk f后读 Cups, cats, cakes, roofs, flags,
6、 keys, faces 在浊辅音和元音后读 z 口诀：清清浊浊元 浊 以 s, x, ch, sh 结尾加-es Classes, boxes, watches, brushes 以辅音 +y 结尾 变 y 为 i ， 加 es 读z Cities, countries, studies 以元音 +y 结尾加 -s 读z Boys, rays, days 有人还把以下两个加入了名词有规则变复数的行列： 情况构成法读音例词 以 o 结尾 加-es 读z Heroes, tomatoes, potatoes, Negroes 加-s 读z Bamboos, radios, zoos, photo
7、s, pianos 以 f, fe结尾 变 f, fe为 v，再加 -es 读vz Leaf-leaves Life-lives Wife-wives Thief-thieves Half-halves Knife-knives Wolf-wolves Self-selves Loaf-loaves 加-s 读Roofs, proofs, chiefs, beliefs, gulfs 第二部分：不规则变化 我们经常会看到有些名词变复数时并没有遵循上述规则。这就是名词的不规则变化。还 有一些名词，单复数是同一个形式的。不过，我们还是可以通过一些比较，发现其中的一些 奥妙。以下我将为大家讲讲名词的
8、不规则变化。 一、有些名词中保存了英语中古旧的复数形式，如： man-men woman-women tooth-teeth foot-feet child-children goose-geese mouse-mice ox-oxen 二、有些是外来词，仍保有原来的复数形式，如： Phenomenon-phenomena(现象 ) Formula-formulae(公式 ) Thesis-theses(论文 ) Basis-bases(基础 ) Analysis-analyses(分析 ) Criterion-criteria(标准 ) Crisis-crises(危机 ) Appendix
9、-appendices(附录 ) 三、部分单词的复数形式不变。 例： fish fish; sheepsheep; cattlecattle; deerdeer; salmonsalmon, m eansmeans 四、 compound nouns ，这类复数词是以主要的名词来表示 例：daughter-in-lawdaughters-in-law 媳妇 ; father-in-lawfathers-in-law岳 父 man-of-war men-of-war 兵舰 ; maid-servantmaid-servants step-son step-sons晚子 ; son-in-laws
10、ons-in-law。 但是， 也有些合成名词，特别是由man和 woman构成的合成名词，里面所含的成分，全 都要变为复数，如： Man-servant-men-servants， woman doctor-women doctors等 五、有些名词经常是带着-s 词尾的，但通常都作单数看待，如： Phonetics(语音学 ) ，physics(物理学 ) ，optics(光学 ) ，politics(政治 ) ，news(新闻 ) 等。 六、另一些名词则以复数词出现的机会较多 例： bellows 风箱 ; clothes; police; shorts短裤 ; scissors剪刀 ;
11、 spectacles眼镜 ; shears大剪刀， trousers长裤， wages工资， belongings所有物， surroundings环境， savings储蓄， findings调查结果， arms 武器， clothes衣服， stairs楼梯，等 七、另外还有一些名词，其复数形式有时可表示特别意思， 例： goods 货物， waters 水域， fishes(各种 ) 鱼， papers 文件，证件， greens 青菜， m anners 礼貌， ruins废墟， troops军队， looks 外貌， times 时代，等 第三部分：不可数名词的计量方法 (1) 一
12、般用“数字 +of+ 计量单位 +名词”表示， ( 注意：当数字大于一时，表示计量单位 的名词可以有复数形式) 。如： a piece of news 一则新闻 a piece of meat 一块肉 a glass of wine一杯酒 two bowls of rice 两碗米 a sum of money 一笔钱 five bags of flour 一袋面粉 a drop o f water 一滴水 three bottles of milk 三瓶牛奶 two pieces of advice 两条建议 (2) 用 much/some/ a little/ little/ a lot
13、of/ plenty of+不可数名词 练习题 ： 1、 All the people at the conference are _。 a. mathematic teachers c. mathematics teacher b. mathematics teachers d. mathematics teachers (C) 2、All the _ in the hospital got a rise last month。 a. women doctors c. woman doctors b. women doctor d. woman doctor (a) 3、-Are there
14、 any _ on the farm? -Yes, there are some。 A. horse B. duck C. chicken D. sheep (D) 4、- They are thirsty. Will you please give them _ ? - Certainly。 A. some bottles of waters B. some bottles of water C. some bottle of water D. some bottle of waters (B) 5、Mike hurt one of his _ in the accident yesterd
15、ay。 A. tooth B. feet C. hand D. ear (B) 6、There is some _ on the plate。 A. cakes B. meat C. potato D. pears (B) 7、The little baby has two _ already。 A. tooth B. tooths C. teeth D. teeths (C) 8、We need some more_. Can you go and get some, please? A. potato B. potatos C. potatoes D. potatoe (C) 9、Plea
16、se remember to give the horse some tree_。 A. leafs B. leaves C. leaf D. leave (B) 10、He gave us_ on how to keep fit。 A. some advices B. some advice C. an advice D. a advice (B) 11、Please pass me _。 A. two glass of water B. two glasses of waters C. two glasses of water D. two glass water (C) 12、There
17、 are a lot of _ down there but hardly any _。 A. sheeps, people B.sheep, people C. sheeps, peoples D. sheep, peoples (B) 13、This table is made of _。 A. many glass B. glasses C. some glasses D. glass (D) 14、_ can get a better view of the game than the participants。 A. Looker-on B. Lookers-on C. Looker
18、-ons D. Lookers-ons (B) 15、Some _ are flying kites near the river。 A. child B. boy C. boys D. childs (C) 16、Mr. Smith always has _ to tell us。 A. some good pieces of news B. some pieces of good news C. some good piece of news D. some piece of good news (B) 17、Twelve _ were hurt, but no _ were lost i
19、n that accident。 A. person; life B. people; lives C. peoples; lives D. persons; life (B) 18、In the view of the foreign experts, there wasnt _ oil here。 A. much B. lots of C. a great deal of D. many (A) 19、The police investigated those _ about the accident。 A. stander-by C. standers-by B. stander-bys
20、 D. standers-bys (B) 20、 Generally there are _ television programs for children on Saturday。 A. little B. much C. a large number of D. a large amount of (C) 动词不定式分类 1、动词 + 不定式 afford, aim, appear, agree, arrange, ask, be, decide, bother, care, choose, come, dare, demand, desire, determine, expect, e
21、lect, endeavor, hope, fail, ha ppen, help, hesitate, learn, long, mean, manage, offer, ought, plan, prepare, p retend, promise, refuse, seem, tend, wait, wish, undertake The driver failed to see the other car in time. 司机没能及时看见另一辆车。 I happen to know the answer to your question. 我碰巧知道你那道问题的答案。 2) 动词 +
22、不定式 ; 动词 +宾语 +不定式 ask, beg, choose, expect, hate, help intend like, love, need prefer, prepar e, promise, want, wish I like to keep everything tidy. 我喜欢每件东西都保持整洁。 I like you to keep everything tidy. 我喜欢你使每件东西都保持整洁。 I want to speak to Tom. 我想和汤姆谈话。 I want you to speak to Tom. 我想让你和汤姆谈话。 3) 动词 +疑问词 +
23、to decide, know, consider forget, learn, remember, show, understand, see, wond er, hear, find out, explain, tell Please show us how to do that. 请演示给我们如何去做。 There are so many kinds of tape-recorders on sale that I cant make up my m ind which to buy。有这么多的录音机，我都拿不定主意买哪一种。 注意 疑问词带不定式在句中作成分时，谓语动词用单数。如：Th
24、e question is how to pu t it into practice. 问题是怎样把它付诸实施。 2. 不定式作补语 1) 动词 +宾语 +不定式 (to do) advise, allow, appoint, believe, cause, challenge, command, compel, conside r, declare, drive, enable, encourage, find, forbid, force, guess, hire, imagine, impel, induce, inform, instruct, invite, judge, know,
25、 like, order, permit, per suade, remind, report, request, require, select, send, state, suppose, tell, th ink, train, trust, understand, urge, warn a. Father will not allow us to play on the street. 父亲不让我们在街上玩耍。 b. We believe him to be guilty. 我们相信他是有罪的。 Find 的特殊用法 Find 后可用分词做宾补，或先加形式宾语，再加形容词，最后加带to
26、 的动词不定式。 find后也可带一个从句。此类动词还有get ，have。 I found him lying on the ground。 I found it important to learn。 I found that to learn English is important。 The next morning she found the man _ in bed，dead. A. lying B. lie C. lay D. laying 答案： A. find的宾语后面，用分词或分词短语，起宾语补足语作用。现在分词表达主 动，也表达正在进行，过去分词表达被动。 2) to +
27、 be 的不定式结构，作补语的动词。 acknowledge, believe, consider, think, declare(声称 ) ， discover, fancy(设 想) ， feel, find, guess, judge, imagine, know, prove, see(理解 ) ， show, suppos e, take(以为 ) ， understand We consider Tom to be one of the best students in our class. 我们认为汤姆是 班上最好的学生之一。 典型例题 Charles Babbage is ge
28、nerally considered _ the first computer. A. to invent B. inventing C. to have invented D. having invented 答案： A. 由 consider to do sth. 排除 B、D。. 此句只说明发明这一个事实，不定式 后用原形即可。 而 C为现在完成时， 发明为点动词一般不用完成时，且此处也不强调对现在 的影响，因此不选C 。 3) to be +形容词 seen, appear, be said, be supposed, be believed, be thought, be known
29、, be r eported, hope, wish, desire, want, plan, expect, mean The book is believed to be uninteresting. 人们认为这本书没什么意思。 4) there be+不定式 believe, expect, intend, like, love, mean, prefer, want, wish, understand We didnt expect there to be so many people there. 我们没料到会有那么多人在 哪里。 注意 有些动词需用as 短语做补语，如regard,
30、 think believe, take, consider。 We regard Tom as our best teacher. 我们认为汤姆是我们最好的老师。 Mary took him as her father . 玛丽把他当作自己的父亲。 3. 不定式作主语 1) Its easy (for me) to do that. 我做这事太容易了。 easy, difficult, hard, important, possible, impossible, comfortable, necess ary, better; the first, the next, the last, t
31、he best, too much, too little, not enough Its so nice to hear your voice. 听到你的声音真高兴。 Its necessary for you to lock the car when you do not use it. 当你不用车的 时候，锁车是有必要的。 2) Its very kind of you to help us. 他帮助我们，他真好。 kind, nice, stupid, rude, clever, foolish, thoughtful, thoughtless, brave, considerate(
32、考虑周到的 ) ， silly, selfish(自私的 ) It was silly of us to believe him. 我们真愚蠢，竟然相信了他。 It seemed selfish of him not to give them anything. 他不给他们任何东西，这 显得太自私了。 注意 1) 其他系动词如，look ，appear 等也可用于此句型 2) 不定式作为句子成分时，动词用单数形式。 3) 当不定式作主语的句子中又有一个不定式作表语时，不能用It is to 的句型 ( 对)To see is to believe. 百闻不如一见。( 错)It is to be
33、lieve to see。 Its for sb。和 Its of sb。 1) for sb. 常用于表示事物的特征特点，表示客观形式的形容词，如easy, hard, d ifficult, interesting, impossible等： Its very hard for him to study two languages. 对他来说学两门外语是很难的。 2) of sb的句型一般用表示人物的性格，品德，表示主观感情或态度的形容词，如go od, kind, nice, clever, foolish, right。 Its very nice of you to help me.
34、 你来帮助我，你真是太好了。 for 与 of 的辨别方法 用介词后面的代词作主语，用介词前边的形容词作表语，造个句子。 如果道理上通顺用 of ，不通则用for 。如： You are nice. ( 通顺，所以应用of) 。He is hard. ( 人是困难 的，不通，因此应用for 。) 4. 不定式作表语 不定式可放在be 动词后面，形成表语。例如： My work is to clean the room every day。 His dream is to be a doctor。 5. 不定式作定语 不定式做定语通常要放在被修饰的词后。例如： I have a lot of w
35、ork to do. So he made some candles to give light。 6. 不定式作状语 1) 目的状语 To only to (仅仅为了 ) ， in order to, so as to, so(such) as to ( 如 此以便) He ran so fast as to catch the first bus. 他飞快地跑以便赶上第一班车。 I come here only to say good-bye to you. 我来仅仅是向你告别。 2) 作结果状语，表事先没有预料到的，要放在句子后面。 What have I said to make yo
36、u angry。 He searched the room only to find nothing。 3) 表原因 Im glad to see you。 典型例题 The chair looks rather hard, but in fact it is very comfortable to _. A. sit B. sit on C. be seat D. be sat on 答案： B. 如果不定式为不及物动词，其后应有必要的介词。当动词与介词连用时，常 位于 “形容词 +动词不定式 “ 结构的末尾。 用作介词的to to 有两种用法： 一为不定式 +动词原形 ; 一为介词 +名词
37、 / 动名词， to 在下面的用法中 是第二种，即to+ 名词 / 动名词： admit to承认， confess to承认， be accustomed to 习 惯于， be used to 习惯于， stick to 坚持， turn to开始，着手于，devote oneself to 献身于， be devoted to 致力于， look forward to 盼望， pay attention to 注意 省 to 的动词不定式 1) 情态动词 ( 除 ought 外， ought to)： 2) 使役动词 let, have, make： 3) 感官动词 see, watch
38、, look at, notice , observe, hear, listen to, smell, feel, find 等后作宾补，省略to 。 注意 在被动语态中则to 不能省掉。 I saw him dance. =He was seen to dance。 The boss made them work the whole night.=They were made to work the whole n ight 。 4) would rather，had better： 5) Why / why not： 6) help 可带 to ，也可不带to, help sb (to)
39、 do sth： 7) but和 except ：but 前是动词 do 时，后面出现的动词用不带to 的动词不定式。 8) 由 and, or和 than 连接的两个不定式，第二个to 可以省去： 9) 通常在 discover, imagine, suppose, think, understand等词后， 可以省去to b e：He is supposed (to be) nice. 他应该是个好人。举例：He wants to move to Fran ce and marry the girl. He wants to do nothing but go out. 比较： He wa
40、nts to do nothing but go out. He wants to believe anything but to take the medicine。 典型例题 1) - I usually go there by train. - Why not _ by boat for a change? A. to try going B. trying to go C. to try and go D. try going 答案： D. why not 后面接不带to 的不定式，因此选D。 2) Paul doesnt have to be made _. He always wo
41、rks hard. A. learn B. to learn C. learned D. learning 答案： B. make 后接不带to 的动词不定式，当其用于被动时，to 不可省略。 动词不定式的否定式 Tell him not to shut the window She pretended not to see me when I passed by. 我走过的时候，她假装没看见 典型例题 1) Tell him _ the window. A. to shut not B. not to shut C. to not shut D. not shut 答案： B。 tell s
42、b to do sth 的否定形式为tell sb not to do sth。 2) She pretended _ me when I passed by. A. not to see B. not seeing C. to not see D. having not seen 答案： A。 pretend 后应接不定式。其否定形式为pretend not to do sth.。 3) Mrs. Smith warned her daughter _ after drinking。 A. never to drive B. to never driver C. never driving
43、D. never drive 答案： A。warn sb to do sth. 的否定形式为warn sb not to do sth. 此处用的是否 定词 never 。 4) The boy wanted to ride his bicycle in the street，but his mother told hi m _. A. not to B. not to do C. not do it D. do not to 答案： A。not to 为 not to do it 的省略形式。可以只用to 这个词，而不必重复整 个不定式词组。及物动词do 后应有名词、代词等，否则不对，因此B
44、，D不对。 5) The patient was warned _ oily food after the operation。 A. to eat no B. eating not C. not to eat D. not eating 答案： C。warn 一词要求后用不定式，此处为不定式的被动，否定形式为be warned n ot to do。 现在来总结一些动词不定式的特殊句型! 不定式的特殊句型too to 1) too to 太以至于 He is too excited to speak. 他太激动了，说不出话来。 - Can I help you ? 需要我帮忙吗? - Wel
45、l, Im afraid the box is too heavy for you to carry it, but thank y ou all the same. 不用了。这箱子太重，恐怕你搬不动。谢谢您。 2) 如在 too 前有否定词， 则整个句子用否定词表达肯定， too 后那个词表达一种委婉 含义，意为 “不太 “。 Its never too late to mend. ( 谚语 ) 改过不嫌晚。 3) 当 too 前面有 only, all, but时，意思是：非常等于 very 。 Im only too pleased to be able to help you. 我非常
46、高兴能帮助你。 He was but too eager to get home. 他非常想回家。 不定式的特殊句型so as to 1) 表示目的 ; 它的否定式是so as not to do。 Tom kept quiet about the accident so as not to lose his job. 汤姆对事故保 持沉默是为了不丢掉他的工作。 Go in quietly so as not to wake the baby. 轻点进去，别惊醒了婴儿。 2) so kind as to -劳驾 Would you be so kind as to tell me the ti
47、me? 劳驾，现在几点了。 不定式的特殊句型Why not “Why not + 动词原形 “ 表达向某人提出建议，翻译为：“为什么不?“ “ 干吗不 ? “ 例如： Why not take a holiday? 干吗不去度假? 不定式的时态和语态 时态语态主动被动 一般式to do to be done 进行式to be doing 完成式to have done to have been done 完成进行式to have been doing 1) 现在时： 一般现在时表示的动词，有时与谓语动词表示的动作同时发生，有时发生 在谓语动词的动作之后。 He seems to know th
48、is。 I hope to see you again. = I hope that Ill see you again. 我希望再见到你。 2) 完成时： 表示的动作发生在谓语动词表示的动作之前。 Im sorry to have given you so much trouble。 He seems to have caught a cold。 3) 进行时：表示动作正在进行，与谓语动词表示的动作同时发生。 He seems to be eating something。 4) 完成进行时： She is known to have been wreaking on the problem
49、 for many years。 动名词与不定式 1) 动名词与不定式的区别： 动名词表达的是：状态，性质，心境，抽象，经常性，已发生的 不定式表达的是：目的，结果，原因，具体，一次性，将发生的 2) 接不定式或动名词，意义相同。 3) 动名词与不定式语义不同的有11 组： stop to do stop doing forget to do forget doing remember to do remember doing cease to do cease doing try to do try doing go on to do go on doing afraid to do afraid doing interested to do interested doing mean to do mean doi