初中英語連詞歸納名師優(yōu)質資料

1、連詞的功能連詞的功能用來連接詞，短語，從句或句子的用來連接詞，短語，從句或句子的詞叫連詞。連詞是一種虛詞，在句詞叫連詞。連詞是一種虛詞，在句中不能單獨使用。連詞可分為兩類：中不能單獨使用。連詞可分為兩類：并列連詞和從屬連詞。并列連詞和從屬連詞。并列連詞并列連詞并列連詞用來連接具有并列關系的詞，短語并列連詞用來連接具有并列關系的詞，短語或句子。常見的并列連詞有：或句子。常見的并列連詞有：(1)(1)表并列關系的表并列關系的and, bothand, not and, bothand, not onlybut also, neithernoronlybut also, neithernor等。等。

2、(2)(2)表選擇關系的表選擇關系的or, eitheroror, eitheror等。等。(3)(3)表轉折關系的表轉折關系的but, whilebut, while等。等。(4)(4)表因果關系的表因果關系的for, sofor, so等。等。從屬連詞從屬連詞從屬連詞用來引導從句。常見的從屬連詞有：從屬連詞用來引導從句。常見的從屬連詞有：(1)(1)引導時間狀語從句的引導時間狀語從句的after, before, when, while, as, after, before, when, while, as, until, till, since, as soon asuntil, til

3、l, since, as soon as等。等。(2)(2)引導條件狀語從句的引導條件狀語從句的if, unlessif, unless等。等。(3)(3)引導原因狀語從句的引導原因狀語從句的because, as, sincebecause, as, since等。等。(4)(4)引導目的狀語從句的引導目的狀語從句的so that, in order thatso that, in order that等。等。(5)(5)引導讓步狀語從句的引導讓步狀語從句的though, although, even ifthough, although, even if等。等。(6)(6)引導結果狀語從句

4、的引導結果狀語從句的so that, sothat, suchthatso that, sothat, suchthat等。等。(7)(7)引導比較狀語從句的引導比較狀語從句的than, asasthan, asas等。等。(8)(8)引導賓語從句的引導賓語從句的that, if , whetherthat, if , whether等。等。常用連詞的用法辨析常用連詞的用法辨析（1） while, when, as這三個連詞都可引導時間狀語從句，但用法有所不同。這三個連詞都可引導時間狀語從句，但用法有所不同。1) 當某事正在進行的時候，又發(fā)生了另一件事。當某事正在進行的時候，又發(fā)生了另一件事。

5、while, when, as 都都可用來引導表示可用來引導表示“背景背景”的時間狀語從句。例如：的時間狀語從句。例如：as/when/while i was walking down the street i noticed a police car.2) 當兩個長動作同時進行的時候，最常用的是當兩個長動作同時進行的時候，最常用的是while。例如：。例如：while mother was cooking lunch, i was doing my homework.3) 當兩個動作都表示發(fā)展變化的情況時，最常用的是當兩個動作都表示發(fā)展變化的情況時，最常用的是as。例如：。例如：as chi

6、ldren get older, they become more and more interested in things around them.4) 當兩個短動作同時發(fā)生時，或表示當兩個短動作同時發(fā)生時，或表示“一邊一邊一一邊邊”時，最常用時，最常用as。例如：。例如：just as he caught the fly, he gave a loud cry.she looked behind from time to time as she went5) 當從句的動作先于主句的動作時，通常用當從句的動作先于主句的動作時，通常用when。例如：例如：when he finished h

7、is work, he took a short rest.6) 當從句是瞬間動作，主句是延續(xù)性動作時，通常當從句是瞬間動作，主句是延續(xù)性動作時，通常用用when。例如：。例如：when john arrived i was cooking lunch.（2）as, because, since , for這四個詞都可表原因，但用法有區(qū)別。這四個詞都可表原因，但用法有區(qū)別。1) 如果原因構成句子的最主要部分，一般用如果原因構成句子的最主要部分，一般用because。因。因此，此，because引導的從句往往放在句末。例如：引導的從句往往放在句末。例如：i stayed at home beca

8、use it rained.-why arent you going?-because i dont want to.2) 如果原因已被人們所知，或不如句子的其它部分重如果原因已被人們所知，或不如句子的其它部分重要，就用要，就用as或或since。since比比as稍微正式一點。稍微正式一點。as和和since 引導的從句一般放在句子的開頭。例如：引導的從句一般放在句子的開頭。例如：as he wasnt ready, we left without him.since i have no money, i cant buy any food.3) for用來補充說明一種理由，因此，用來補充說

9、明一種理由，因此，for引導的從句幾引導的從句幾乎可以放在括號里。乎可以放在括號里。for引導的句子不放在句子的開頭。引導的句子不放在句子的開頭。例如：例如：i decided to stop and have lunch-for i was feeling quite hungry.（3）if, whetherif和和whether都可作都可作“是否是否”講，在引導賓與從句一時般可互換。例講，在引導賓與從句一時般可互換。例如：如：i wonder whether (if) you still study in that school.i dont know whether (if) he l

10、ikes that film.在下列情況下，只能用在下列情況下，只能用whether,不能用不能用if：1) 引導主語從句時。例如：引導主語從句時。例如：whether he will come to the party is unknown. 2) 引導表語從句時。例如：引導表語從句時。例如：the question is whether i can pass the exam.3) 在不定式前。例如：在不定式前。例如：i havent made up my mind whether to go there or not.（4）sothat, such.that1) sothat中的中的so

11、是個副詞，其后只能跟形容詞或副是個副詞，其后只能跟形容詞或副詞，而詞，而such.that中的中的such是個形容詞，后接名詞或是個形容詞，后接名詞或名詞短語。例如：名詞短語。例如：im so tired that i cant walk any farther.it was such a warm day that he went swimming.2) 如果在名詞之前有如果在名詞之前有many, much, little, few時，用時，用so,不用不用such。例如：。例如：he has so little education that he is unable to get a jo

12、b.i have had so many falls that i am black and blue all over.（5）eitheror, neithernor, not onlybut also這三個連詞詞組都可連接兩個并列成分。當它們連這三個連詞詞組都可連接兩個并列成分。當它們連接兩個并列主語時，接兩個并列主語時，謂語動詞要隨相鄰的主語變化謂語動詞要隨相鄰的主語變化。（就近原則就近原則）例如：）例如：either you or he is wrong.neither he nor his children like fish. not only the teacher but al

13、so the students want to buy the book.（6）although, but這兩個連詞不能用在同一個句子中。例如：這兩個連詞不能用在同一個句子中。例如：我們不能說我們不能說“although he is over sixty, but he works as hard as others.”這個句子應改為：這個句子應改為：although he is over sixty, he works as hard as others.或或he is over sixty, but he works as hard as others.（7）because, so這兩個連

14、詞同樣不能用在同一個句子中。例如：這兩個連詞同樣不能用在同一個句子中。例如：我們不能說我們不能說“because john was ill, so i took him to the doctor.” 這個句子應改為這個句子應改為because john was ill, i took him to the doctor.或或john was ill, so i took him to the doctor.【實例解析】【實例解析】3. (2004年吉林省中考試題年吉林省中考試題) -i like riding fast. its very exciting. -oh! you mustnt

15、do it like that, _ it may have an accident. a. and b. or c. so d. but答案：答案：b。該題考查的是并列連詞的用法。答語的。該題考查的是并列連詞的用法。答語的意思是意思是“你不要那樣做，否則會發(fā)生事故的。你不要那樣做，否則會發(fā)生事故的。”在這四個并列連詞中，只有在這四個并列連詞中，只有or含有這樣的意思，所含有這樣的意思，所以應選以應選b。4. (2004年天津市中考試題年天津市中考試題) john fell asleep _ he was listening to the music.a. after b. before c.

16、 while d. as soon as答案：答案：c。該題考查的是引導時間狀語從句的該題考查的是引導時間狀語從句的常用從屬連詞的用法。本句的含義是常用從屬連詞的用法。本句的含義是“約翰在約翰在聽音樂的時候睡著了。聽音樂的時候睡著了?！北硎驹诟赡呈聲r發(fā)生表示在干某事時發(fā)生了某個事情了某個事情” 通常用通常用while。因此應選。因此應選c?！局锌佳菥殹俊局锌佳菥殹?. -will the foreigners have any problems talking with chinese in 2008? -i dont think so. now _ the young _ the old c

17、an speak some english. a. eitheror b. not only but also c. neithernor d. bothor 2. we didnt catch the train _ we left late. a. so b. because c. but d. though 3. tom failed in the exam again _ he wanted to pass it very much. a. if b. so c. though d. as4. i wont believe that the five-year-old boy can

18、read five thousand words _ i have tested him myself. a. after b. when c. if d. until 5. the book was so interesting that he had read it for three hours _ he realized it. a. when b. until c. after d. before 6. -this dress was last years style. -i think it still looks perfect _ it has gone out this year. a. so that b. even though c. as if d. ever since7. hurry up, _ you will miss the train. a. and b. so c. however d. or 8. the mountain was _ steep _ few people in our city reached the top. a. soas b. sothat