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2023年专四语法重点总结.docx

1、专四语法重点总结一、代词、名词、数次1. 在使用两个以上的人称代词时 顺序是:第二人称 第三人称 第一人称2. everyone后面不可以跟of短语 every one 就可以3. 以名词/动名词+介词(短语)/形容词/副词/动词不定式构成的复合名词,它的复数形式是将作为重要部分的名词或动名词变为复数 直接来源于短语或以可数名词结尾的复合名词的复数形式是将最后一个构词部分变为复数 以man 或者woman+名词构成的复合名词的复数形式是将两个组成部分全变成复数 以不可数名词结尾的复合名词无复数形式 如:homework4. 物质名词一般不可数,但用于表达各种不同品种时 几乎都可做可数名词 如:

2、different teas5. 当抽象名词前后有修饰语表达某一种或某一方面的抽象概念时 其前可加a/an6. 名词所有格要点:必须用s的场合 1 )s属格用于表达时间,度量衡,价值的名词之后 2 ) 作为一个整体的词组在最后一个词加s 3) 人或物为两人共有,在第二个名词后加s 4 )当所有格后面的名词是人们熟悉的建筑物 如商店,住家,教堂,医院等,此名词常省略 5) 复合名词在最后一个词后加s 6) 当被修饰的名词后有同位语时,必须用s 7) 当用来表达类别或属性时,要用s childrens shoes 儿童鞋 必须用of的场合 1) 名词后跟有后置修饰语或同位语时 2) 以定冠词加分词

3、或形容词表达一类人时7. 假如dozen/score/hundred/thousand/million前有基数词以表达确切数目时,都不能用复数形式 假如用来表达很多有不确切的数目时,须用复数,并且后面加of8.表达顺序的两种方式: 1)名词+基数词,不用冠词,如Chapter four 2) the+序数词+名词 如the Fourth Chapter9. 倍数增减的表达法 1) 倍数+形容词/副词比较级+than 2) 倍数+as+形容词/副词+as 3) 倍数+名词 4) 动词+比例或倍数 5) 动词+to+数词 6) double/triple/quadruple+名词 7) 动词+by

4、+数词/比例/倍数10. 分数分子为基数词,分母为序数词 分母除了在分子为一的其他情况下为复数11. 比例后接名词时加of二、形容词、副词1 前置修饰语的排列顺序可以置于冠词前的形容词(all both such) -冠词,指示形容词,所有格形容词,不定形容词(a an the this your his any some)-基数词(one ) 序数词(first)- 表达性质,状态,质量的形容词(good useful)-表达大小,长短,形状的形容词-表达年龄,新旧,温度的形容词-表达颜色的形容词-表达国籍,产地,区域的形容词-表达材料,用做形容词的名词-动名词,分词2后置修饰语 由前缀a-

5、构成的形容词3形容词修饰由some-,any-,every-,no-,-body,-one,-thing等组成的复合不定代词时,必须后置4enough作形容词修饰名词时既可放前又可放后,但当它作副词修饰形容词或副词时,必须后置5有些形容词自身就有比年长,比优等的意思 这些形容词后面用介词to 而不用than6much too 作为副词短语修饰形容词或副词,不修饰名词7more 不能用来修饰比较级8与名词连用的more of a . ./ as much of a. / more of a. 意为更像9as much of a意为称得上,less of a 意为算不上10none other t

6、han(不是别人,正是)=no other than11any/sone/every与other连用时,其后若用可数名词,一般为单数三、情态动词、虚拟语气1can 用于否认句cannot(help)but表达不能不,只能(but后跟不带to的动词不定式)2must 表达严禁,一定不要时的否认式为mustnt 当它表达有把握的推断时 意为一定 准是时 它的否认形式为cant3need doing=need to be done 这个句型表达被动意味4need not have done sth 表达本来没有必要做某事 (经常考)虚拟语气1It is (high/about/the)time. 谓

7、语动词用过去式 指现在或将来的情况 表达早该做某事而现在已有点晚了2It is the first(second/third)time后的that从句中,谓语动词要用完毕体来表达一种经验3as if/though 的虚拟要点 1) 对当时事实的假设,从句谓语用过去式,be动词一律用were 2)对过去事实的假设,从句谓语用过去完毕式3)对未来事实的假设,从句谓语用would+动词原型五、比较级比较等级的含义:英语中形容词与副词有三个比较等级,即原级,比较级和最高级。一般来说, 表达等于时用原级。Eg. Im just as busy today as I was yesterday.表达两者的

8、比较时用比较级eg. Im much busier today than I was yesterday.表达“最”时用最高级Eg. That was the busiest day of my life. 存在句形容词与副词比较等级的构成 构成 原级 比较级 最高级单音节词尾加er, est great greater greatest单音节词尾e, 加r, st fine finer finest闭音节单音节词尾只有一个辅音字母,双写 big bigger biggest辅音字母加er,est 少数以y,er,ow, ble结尾双音节词尾加er,est happy happier happ

9、iest(y前为辅音字母去y加 clever cleverer cleverest er,est)其它双音节词和多音节词,前加more, difficult more difficult most difficultmost 不规则变化副词比较等级的构成 副词比较等级的构成大体与形容词比较等级的构成相同,但以后缀ly结尾的副词用more和most。hard hardest hardestearly earlier earliestquickly more quickly most quickly不规则变化形容词与副词比较等级的基本用法A. 基本形式“as +原级+as” 结构eg. Hes a

10、s tall as I.B否认的同级比较常用 not as as或 not so as eg. He does not smoke so heavily as his brother. C变体1) as + much/many + 名词+ as2) as +形原级 + a + 名词 +as3) as + 形+ 不可数名词+ as4) 名词复数+as +形 + as5) the same as/ be similar to比较级 A.基本结构“比较级+than” 结构eg.He is taller than I .She sees me more often than she sees her

11、brother.B变体1)形比较级 + 名 + than2)名 + 形比较级 + than3)the + 形比较级 + of + the two4)superior/ inferior to最高级 A. 常用“the +最高级+比较范围”eg. This is the best picture in the hall.He sings the best in the class.B. 变体1) more than any other 2) Not + 比较等级关于比较结构用法的补充说明1)morethan是而不是,与其说是不如说是eg. She is more been than wise.

12、He is more a writer than an artist.2) not so much as与其说是不如说是eg. It wasnt so much that I disliked her as that I just wasnt interested.3)not more/er than与 no more/er thaneg. He is no richer than I= as poor asHe is not richer than I4) more and moreeg. He is becoming fatter and fatter.5). The more the m

13、oreeg. The harder she worked, the more progress she made.6)more than 多于eg. More than 1000 people attended the meeting.7)more than 不止, 超过 eg. She is more than pretty.8) more than 简直不eg. My trip to Beijing is more than sightseeing.六、并列结构两个或两个以上意义相关、层次相同、句法功能也相同、并由并列连词或其他并列手段连接起来的语法结构序列叫做并列结构。1. 并列结构的各

14、种形式 )词与词的并列 you and me)词组与词组的并列 a teacher and a student)分句与分句的并列 you can go or you can stay with us.2. 并列结构的连接手段)并列连词)标点符号)并列结构的插入语在最后一个项目之前插入一个词语,使这个项目处在更加突出的地位。)并列结构的对称组合成对组合的办法使整个结构更加紧凑。3. 并列连词的意义和用法 以and为代表的表达语义引申的并列连词and, bothand, not only but also, notnor, neithernor等。这一类并列连词在语义上表达其连接的成分是对前项的补

15、充和引申,涉及肯定和否认两种意义的引申。And除表达语义增补外尚有其他意义尚有一些and连接的语法结构形似并列结构实际并非并列结构Eg. This room is nice and warm. = ( nicely warm.) Ill go and see my friend. = ( go to see)以or 为代表的表达选择的并列连词这类连词涉及or和eitheror以but为代表的表达语义转折和对比的并列连词这类连词涉及but, not but, while, whereas, only, yet.4. 补充说明:1) bothand 只连结成分不连接句子;只连对等结构Eg. Bot

16、h the student and the teacher are pleased to hear the news. 2) not only but also连结成分和连接句子;只连对等结构Eg. Not only I but also he will take part in the meeting.Not only did he help me, but also he sent me home. 3) either or连结成分和连接句子;连对等结构或不对等结构 Eg. Either you or I am going to shanghai. He can either stay a

17、t home or leave. He has either gone to the movies or ( gone to ) the theatre. 4) neither nor连结成分和连接句子;连对等结构或不对等结构 Eg. He neither likes fiction nor (likes) poetry.并列连词与连接性状语And与moreover;furthermore whats more Eg. He is a good teacher and a good friend. He is a good teacher. Moreover, he is a good fri

18、end. but与however or与otherwise So与as a result , consequently .七、存在句(There be) 存在句的结构特性 存在句的结构模式是:There + be + NP + Locative Expression (+ Temporal Expression)存在句的引导词 There在句中位于主语位置,实义主语是随后的名词词组,There起形式主语的作用,在疑问句中, 它和操作词倒装。注意存在句的引导词There和句首状语There的区别。存在句的实义主语 实义主语的名词词组通常是非拟定特指,即通常带有不定冠词、零冠词及其他非拟定意义的限

19、定词, some, any, many, much, a lot of, enough, little基本句型凡带有非拟定特指的名词词组, 一般都可用There 存在句转化。存在句的谓语动词存在句的谓语动词重要是动词be的某种形式, 分限定形式和非限定形式。限定形式:一般现在时、一般过去时、现在完毕体、过去完毕体和情态助动词+不定式。除be外, 某些表达存在意义的不及物动词如:exist, remain, occur, stand, lie.等,能用于there存在句。地点状语前移,there可省。 Eg. There can be very little about his guilt. T

20、here are many desks in the classroom.There used to be a hospital round the corner. There appears to be no doubt about it. There stands a house behind the tree.Behind the tree (there )stands a house.八、存在句的非限定形式1)存在句的非限定形式there to be 和 there being结构2)there to be 和 there being结构用法与区别there to be:作for 介词

21、补语作动词(except, want, like, prefer, hate)的宾语eg. They planned for there to be another meetingMembers like there to be plenty of choice.there being : 作除for外的介词的补语作主语和状语eg. John was relying on there being another opportunity.There being a bus stop so near the house is a good advantage.存在句的非限定形式与限定形式的转化 e

22、g. For there to be so few people in the street was unusual. = It was unusual that there were so few people in the street.九、it句型1. Basic structure:There + be + subject + adverbial 2. Non-finite structure There to be - for ; Verb There being -in,on.; noun; adverbial There being a lawn extends from the

23、 river to the house.There is a lawn extending from the river to the house.There extends a lawn from the house to the river. From the house to the river lies a lawn. From the wall comes the voice of the doctor.It:1. Reference it: Beijing is a big city. It is the capital of China. 2. Non-reference it

24、A. Empty it B. Anticipatory it C. Cleft it It 句型涉及由“非指代性it”作型式主语的三种句子:第一种是以it作形式主语的表达时间、距离、天气等意义的句子;第二种是以it作先行主语的句子;第三种是以it作引导词的分裂句。Empty it虚义it是一种非指代性it,以区别于人称代词it,常用作没有具体意义的主语,出现于表达气候、天气、温度、时间、地点、距离等意义的句子中。也用来表达一般的笼统的情况。也用于一些结构及习惯语中。Eg. Its fine today, isnt it.It was dull when Mary was away. It lo

25、oks as if the college is very small.Hop it. (Go away)Anticipatory it it用来充当形式主语或形式宾语,后面的真正主语或真正宾语通常是不定式结构、动名词或名词性分句。It的这种用法叫作先行it。eg. It is quite important for us to form a good studying habit. I think it important to finish the task in time. it用来充当形式主语,后置的真正主语往往可以取代先行it的位置,出现在句首。Eg. To form a good

26、studying habit is quite important for us并非所有先行it结构都可转化,下边句子只能作如下转化。eg. It seems that John is not coming after all.John doesnt seem to be coming after all.Cleft it :Task 1. 句子的基本结构 2 .分裂句的本质3 . 分裂句的结构4 .假拟分裂句句子结构主语+谓语已知信息新信息末端中心末端重心Eg. I told him the news yesterday.分裂句的本质 Eg. I told him the news yest

27、erday. Eg. It is I that told him the news yesterday分裂it 分裂句是以it为引导词的强调句型。它的结构形式是:It +be 的一定形式+中心成分that /who分句。通过这种结构可以强调除谓语动词以外的大多数句子成分。说话人通过度裂句分别强调主语、间接宾语、直接宾语、状语,使之成为信息中心。分裂句中的谓语可以采用复杂形式Eg. It is I who am to blame. It may have been at Christmas that John gave Mary a handbag.It was in Shanghai that

28、 I got my Masters Degree.主语补语通常不作分裂句的中心成分。宾语补语可以这样用。 *It is beautiful that she is.It is Chairman of the committee that they elected him.十、动词的强调形式Do 的适当形式Eg. I Do give you the book.拟似分裂句Pesudo cleft 要强调谓语动词,就得采用此外一种强调句型。这种句型叫作拟似分裂句。拟似分裂句的主语通常是由what引导的名词性分句,分句的积极词通常是do的一定形式。分句的主语补语根据积极词do的适当形式而采用相应的形式

29、。拟似分裂句可采用下列几种形式 what分句be + 动词的不定式eg. He gave her a book.-What he did was (to) give her a book.what分句be + 动词的分词He will be taking a plane to Beijing-What he will be doing is taking a plane to BeijingHe has finished his homework.-What he has done is finished(finish/to finish) his homework.Pesudo - clef

30、t I gave him a letter. What I did is give him a letter do/did/does-do doing -doing done -donewhat分句be + 名词词组名词词组be+ what分句Eg. He gave her a book.What he gave her was a book.A book was what he gave her.十一、附加疑问句 Tag Question He must be a clever boy, _?He must be studying in the room,_?He must have wor

31、ked hard last night, _?He must have finished his work, _?He said he would go with Mary, _?If he had worked hard, he would have passed the examination, _?I think he is a good student, _?I dont think he is a good student, _?You have a new book, _?He had to go now,_?I have read the book , _?Mary has mi

32、lk for breakfast everyday,_?We used to live in the country,_?We never used to live in the country, _?There be There is a book on the desk. There is a book and two pens on the desk. There _( come ) the last bus . There _(go) the last spoon of ice-cream.并列结构both and 只连接词与词组Not only but also; either or

33、 ; neithernor 不仅连接词与词组,还可连接句子Both.and , not onlybut also 必须连接对等结构either or ; neithernor可连接不对等结构I neither like novels nor (like) poems.十二、倒装倒装 固定语序主语+谓语后置1句尾焦点和句尾重心2关键词语的后置前置与倒装1)不引起倒装的前置不引起倒装的前置成分通常是宾语、主语补语和宾语补语。2) 引起倒装的前置:主语补语前置时,如主语较长或结构较复杂,就会引起倒装。前置宾语由not a + 名词或 not a single + 名词,就会引起倒装A horribl

34、e mess I have made of it. Books, I need. Happy indeed I am Happy indeed are those who got the tickets to Beijing.倒装某些状语的前置会引起倒装: 所有倒装和部分倒装a. 句首状语为方位词或拟声词,谓语动词为go, come等表达位置转移的动态动词时,通常用所有倒装,主语为代词,不用倒装。Eg. Lower and lower he bent.b. 当句首状语为表地点的介词词组时,也会引起所有倒装。Eg. From the wall comes the voice of the doc

35、tor.c. 当句首状语为否认词或带有否认意义的词语时,一般引起局部倒装。Eg. Nowhere else could you find so cheap books.d. 当句首状语为only + 副词, only +介词词组, only + 状语分句构成,也可引起局部倒装。Eg. Only through sheer luck did he manage to get some tickets.e. 以关联连词so (that)开头的句子,引起局部倒装。so+形容词是主语补语的前置;so+副词是状语的前置。Eg. So small was the mark that I could har

36、dly see it.f. 当方式状语、频度状语等移至句首时,有时也引起局部倒装。也可不用倒装。Eg. Many a time has Mike given me good advice.Slowly and impressively he rose from his seat.十三、不定式做定语(1)被修饰的名词前有序数词、形容词最高级或next, last, only, not a, the, very等限定词时,该名词用不定式做定语。如:the first woman to set foot on the moon 第一个登上月球的女性。(2)假如其动词规定不定式做宾语,相应的名词一般用

37、不定式做定语。如:tendency to dotend to do, decision to dodecide to doThis book is an attempt to help you use English and recognize how it is used.(3)假如其形容词形式规定接不定式做补语,相应的名词一般用不定式做定语。如:ambition to do “干的雄心”be ambitious to do“有雄心干”curiosity to do “对的好奇心”be curious to do“对好奇”ability to do“做的能力”able to do“有能力做”

38、According to Darwin, random changes that enhance a species ability to survive are naturally selected and passed on to succeeding generation.(4)表达方式、因素、时间、机会、权利等名词用不定式做定语,这些名词涉及:way, method, reason, time, place, chance, occasion, opportunity, evidence, power, right, movement, drive (运动),effort等。如:I w

39、orked so late in the office last night that I hardly had time to catch the last bus.We appreciate your efforts to bring about a comprehensive solution to the existing problem.(5)不定代词something, nothing, little, much, a lot习惯上用不定式做定语。如:Though we have made great progress, there is still much to be impr

40、oved.不定式做状语重要表达目的、限度、结果、方式。(1)in order to(do), so as to(do)结构引导目的状语,so as to不能置于句首。如:(2)soas to, suchas to, enoughto, tooto结构做限度状语。如:The solution works only for couples who are self-employed, dont have small children and get along well enough to spend most of their time together.The vocabulary and g

41、rammatical differences between British and American English are so trivial and few as hardly to be noticed.(3)不定式做结果状语只能出现在句子的末尾,表达不快乐的结果,有时用only加强语气。常见的不定式动词有find, hear, see, be told, form, give, make, produce等。如:Greatly agitated, I rushed to the apartment and tried the door, only to find it locked.(4)not/never too to, too not to, but/only tooto, too ready/eager/apt/inclined to 表达肯定意义。如:I am only too pleased to hear from you further. 能再听到你的消息,我太快乐了。

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