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1、专题六：介词、连词考点集汇，讲解和训练一、介词的功能介词是一种虚词，用来表示名词或相当于名词的其它词语句中其它词的关系，不能单独使用。介词可与名词或相当于名词的其它h词构成介词短语。介词短语可在句中作定语，状语，表语和宾语补足语。例如：The boy over there is John ' s broth&i?()The girl will be back in two hours.(状语)Our English teacher is from Australia表语)Help yourself to some fish. (宾语补足语)二、介词的分类1 .介词可按其构成分为
2、：(1)简单介词，即一个介词，如 about, at, in, of, since等。(2)复合介词，由两个介词组成，如as for, as to, out of等。(3)二重介词，由两个介词搭配而成，但没有复合介词那样固定，如 from under, from behind, until after, except in 等。(4) 短语介词， 由短语构成，如 according to, because of, in spite of, on behalf of, with reference to 等。(5) 分词介词， 由现在分词构成，如 regarding , concerning ,
3、 including 等。2 .介词还可按其词义分为下列常见的几种：(1)表地点(包括动向)，如about,above, across, after, along, among, around, at, before, behind, below, beneathi, beside, between, beyond, by, down, from , in, into, near, off, on, over, through, throughout, to, towards, under, up, upon, with , within , without 等。注有不少表地点的介词可表动向，
4、除很明显的 across, around, over, towards, near 外，还有 among, behind, beneathi, between, on, to, under 等。(2) 表时间，如 about, after, around, as, at, before, behind, between, by, during , for, from, in, into, of, on, over, past, since, through, throughout, till (until), to, towards, within 等。(3)表除去，如 besides, bu
5、t, except 等。(4)表比较,如 as, like, above, over 等。(5)表反对，如 against, with 等。(6)表原因、目的，如 for, with , from等。(7)表结果,如 to, with , without 等。(8)表手段、方式，如 by, in, with等。(9)表所属，如of, with等。(10)表条件，如 on, without , considering 等。(11)表让步，如 despite, in spite of 等。(12) 表关于， 如 about, concerning , regarding , with regard
6、 to , as for, as to等。(13)表对于，如 to, for, over, at, with 等。(14)表根据，如 on, according to 等。(15)表其他，如for (赞成)，without (没有)等。三、常用介词的用法辨析(1)表时间的介词1) at, in on表示时间点用 at。例如：at six o ' clock, at noon, at midnigh表示在某个世纪，某年，某月，某个季节以及早晨，上午，下午，晚上时，用 in。例如：in the ninettenth century, in 2002, in may, in winter,
7、in the morning, in the afternoon 等。表示具体的某一天和某一天 的上午，下午，晚上时，用 on。例如：on Monday, on July 1 st, on Sunday morning 等。 2) since, after由since和after引导的词组都可表示从过去某一点开始的时段，但since词组表示的时段一直延续到说话的时刻，因而往往要与现在完成时连用。而 after词组所表示的 时段纯系过去，因而要与一般过去时连用。例如： I haven ' t heard from him since last summer.After five days
8、 the boy came back.3) in, afterin与将来时态连用时，表示过多长时间以后”的意思，后面跟表示一段时间的词语。After与将来时态连用时，后面只能跟表示时间点的词语。After与过去时态连用时，后面才能跟表示一段时间的词语。例如：He will be back in two months.He will arrive after four o' clock.He returned after a month.(2)表示地点的介词1) at, in, onat 一般指小地方；in 一般指大地方或某个范围之内；on往往表示 在某个物体的表面”。例如：He arr
9、ived in Shanghai yesterday.They arrived at a small village before dark.There is a big hole in the wall.The teacher put up a picture on the wall.2) over, above, onover, on和above都可表示 在上面“，但具体含义不同。Over表示位置高于某物，在某物的正上方，其反 广义词是under。above也表示位置高于某物，但不一定在正 上方，其反义词是 below。On指两个物体表面接触，一个在另一的上面。例如：There is a
10、bridge over the river.We flew above the clouds.They put some flowers on the teacher' s desk.3) across, throughacross和through均可表示从这一边到另一边“，但用法不同。Across的含义与on有关，表示动作在某一物体的表面进行。Throgh的含义与in有关，表示动作是在三维空间进行。例如：The dog ran across the grass.The boy swam across the river.They walked through the forest.I
11、 pushed through the crowds.4) in front of, in the front ofin front of表示在某人或某物的前面”，在某个范围以外；in the front of表示 在的前部”，在某个范围以内。例如：There are some tall trees in front of the building.The teacher is sitting in the front of the classroom.3 .介词的固定搭配介词往往同其他词类形成了固定搭配关系。记住这种固定搭配关系，才能正确使用介词。(1)介词与动词的搭配listen to ,
12、 laugh at, get to, look for wait for, hear from, turn on, turn off, worryabout, think of, look after, spend等。 on ，(2)介词与名词的搭配on time, in time, by bus, on foot, with pleasure, on one' s way to, in trouble, atbreakfast, at the end of, in the end 等。(3)介词与形容词的搭配be late for, be afraid of, be good at,
13、 be interested in, be angry with, be full of,be sorry for 等。4 .连词的功能用来连接词，短语，从句或句子的词叫连词。连词是一种虚词，在句中不能单独使用。连词可分为两类：并列连词和从属连词。5 .并列连词并列连词用来连接具有并列关 ，系的词，短语或句子。常见的并列连词有:(1)表并列关系的and, both and, not only -but also, neithe等。 nor(2)表选择关系的or, either 等or(3)表转折关系的but, while 等。(4)表因果关系的for, so 等。76 .从属连词从属连词用来引
14、导从句。常见的从属连词有:(1)引导时间状语从句的(2)引导条件状语从句的(3)引导原因状语从句的(4)引导目的状语从句的(5)引导让步状语从句的(6)引导结果状语从句的(7)引导比较状语从句的after, before, when, while, as, until, till, since, as soon as 等。if, unless 等。because, as, since 等。so that, in order that 等。though, although, even if 等。so that, so that, such 等6 thatthan, as 鲍(8)引导名词从句的
15、that, if , whether等。7 .常用连词的用法辨析(1) while, when, as这三个连词都可引导时间状语从句，但用法有所不同。1)当某事正在进行的时候，又发生了另一件事。 While, when, as都可用来引导表示背景”的时间状语从句。例如：As/When/While I was walking down the street I noticed a police car.2)当两个长动作同时进行的时候，最常用的是 while o例如：While mother was cooking lunch, I was doing my homework.3)当两个动作都表示
16、发展变化的情况时，最常用的是as。例如：As children get older, they become more and more interested in things around them.4)当两个短动作同时发生时，或表示 边一边”时，最常用as。例如：Just as he caught the fly, he gave a loud cry.She looked behind from time to tim e as she went5)当从句的动作先于主句的动作时，通常用 when。例如：When he finished his work, he took a short
17、 rest.6)当从句是瞬间动作，主句是延续性动作时，通常用 when。例如：When John arrived I was cooking lunch.(2) as, because, since , for这四个词都可表原因，但用法有区别。1)如果原因构成句子的最主要部分，一般用because因此，because引导的从句往往放在句末。例如：I sta yed at home because it rained.-Why aren '力 ou going?-Because I don ' t want to.2)如果原因已被人们所知，或不如句子的其它部分重要，就用 as或s
18、ince。Since比as 稍微正式一点。As和since引导的从句一般放在句子的开头。例如：As he wasn t ready, we left without him.Since I have no money, I can' t buy any food.(3) for用来补充说明一种理由，因此， for引导的从句几乎可以放在括号里。For引导的句子不放在句子的开头。例如：I decided to stop and have lunch-for I was feeling quite hungry.(4) if, whetherif和whether都可作 是否“讲，在引导宾与从
19、句是一般可互换。例如：I wonder whether (if) you still study in that school.I don ' t know whether (if) he likes that film. 在下列情况下，只能用whether,不能用if：1)引导主语从句时。例如：Whether he will come to the party is unknown.2)引导表语从句时。例如：The question is whether I can pass the exam.3)在不定式前。例如：I haven ' t made up my mind wh
20、ether to go there or not.(5) so- that, such.that1) sothat中的so是个副词，其后只能跟形容词或副词，而 such.that中的such是个 形容词，后接名词或名词短语。例如：I ' m so tired that I can ' t walk any farther.It was such a warm day that he went swimming.2)如果在名词之前有many, much, little, few 时，用so,不用such。例如：He has so little ed ucation that he
21、 is unable to get a job.I have had so many falls that I am black and blue all over.(6) either or，neither nor, not only but also 这三个连词词组都可连接两个并列成分。当它们连接两个并列主语时，谓语动词要随相邻的主语变化。例如：Either you or he is wrong.Neither he nor his children like fish.Not only the te acher but also the students want to buy the
22、book.(7) although, but这两个连词不能用在同一个句子中。例如：我们不能说"Although he isover sixty, but he works as hard as others. 这个句子应改为：Although he is over sixty, heworks as hard as others或 He is over sixty, but he works as hard as others. because,so这两个连词同样不能用在同一个句子中。例如：我们不能说"Because Johnwas ill, so I took him t
23、o the doctor.这个句子应改为 Because John was ill, I took him tothe doctor.或 John was ill, so I took him to the doctor.Exercise:1. We traveled overnight to Paris and arrived 5 o' clock the morning.A. on; in B. at; in C. at; on D. in; on2. Where ' s Lily? We are all here her.A. beside B. about C. exc
24、ept D. with3. She sent her friend a postcard a birthday present.A. on B. as C. for D. of4. Jack has studied Chinese in this school the year of 2000.A. since B. in C. on D. by5. -What is a writing brush, do you know?-It ' s writing and drawing.A. with B. to C. for D. by6. English is widely used t
25、ravellers and business people all over the world.A. to B. for C. as D. by7. the help of my teacher, I caught up with the other students.A. Under B. In C. With D. On8. Hong Kong is the south of China, and Macao is the west of Hong Kong.A. in; to B. to; to C. to; in D. in; in9. -You' d better not
26、go ounow. It ' s raining.-It doesn ' t matternew coat can keep rain.A. in B. of C. with D. off10. Japan lies the east of China.A. to B. in C. about D. at11. -Will the foreigners have any problems talking with Chinese in 2008?-I don ' t think so. Now the young the old can speak some Engli
27、sh.A. eitherorB. not only but alsoC. neither norD. both or12. We didn ' t catch the train we left late.A. so B. because C. but D. though13. Tom failed in the exam again he wanted to pass it very much.A. if B. so C. though D. as14. I won' believe that the five -year-old boy can read five thou
28、sand worlds I have tested him myself.A. after B. when C. if D. until15. The book was so interesting that he had read it for three hours he realized it.A. when B. until C. after D. before16. -This dress was last year ' s style.-1 think it still looks perfect it has gone out this year.A. so that B
29、. even though C. as if D. ever since17. Hurry up,you will miss the train.A. and B. so C. however D. or18. The mountain was steep few people in our city reached the top.A. so as B. so that C. as as D. too to19. - Do you remember our pleasant journey to Xi' an?-Of course. I remember everything it happened yesterday.A. as soon asB. even thoughC. rather thanD. as if20.you can ' t answer this quewtiona ve to ask someone else for help.A. Although B. While C. Whether D. Since【练习答案】1.B 2.C 3.B 4.A 5.C 6.D 7.C 8.A 9.D 10.A11.B 12.B 13.C 14.D 15.D 16.B 17.D 18.B 19.D 20.D