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1、單擊此處編輯母版標題樣式,單擊此處編輯母版文本樣式,第二級,第三級,第四級,第五級,*,初中英語連詞歸納,連詞的功能,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,并列連詞用來連接具有并列關(guān)系的詞，短語或句子。常見的并列連詞有：,(1)表并列關(guān)系的,and,bothand,not onlybut also,neithernor,等。,(2)表選擇關(guān)系的,or,eitheror,等。,(3)表轉(zhuǎn)折關(guān)系的,but,while,等。,(4)表因果關(guān)系的,for,so,等。,從屬連詞,從屬連詞用來引導(dǎo)從句。常見的從屬連詞有：

2、,(1)引導(dǎo)時間狀語從句的,after,before,when,while,as,until,till,since,as soon as,等。,(2)引導(dǎo)條件狀語從句的,if,unless,等。,(3)引導(dǎo)原因狀語從句的,because,as,since,等。,(4)引導(dǎo)目的狀語從句的,so that,in order that,等。,(5)引導(dǎo)讓步狀語從句的,though,although,even if,等。,(6)引導(dǎo)結(jié)果狀語從句的,so that,sothat,suchthat等。,(7)引導(dǎo)比較狀語從句的,than,asas,等。,(8)引導(dǎo)賓語從句的,that,if,whether

3、,等。,常用連詞的用法辨析,（1）while,when,as,這三個連詞都可引導(dǎo)時間狀語從句，但用法有所不同。,1)當(dāng)某事正在進行的時候，又發(fā)生了另一件事。While,when,as 都可用來引導(dǎo)表示“背景”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(dāng)兩個長動作同時進行的時候，最常用的是while。例如：,While mother was cooking lunch,I was doing my homework,.,3)當(dāng)兩個動作都表示發(fā)展變化的情況時，最常用的是as。例

4、如：,As children get older,they become more and more interested in things around them.,4)當(dāng)兩個短動作同時發(fā)生時，或表示“一邊一邊”時，最常用as。例如：,Just as he caught the fly,he gave a loud cry.,She looked behind from time to time as she went,5)當(dāng)從句的動作先于主句的動作時，通常用when。例如：,When he finished his work,he took a short rest.,6)當(dāng)從句是瞬間動

5、作，主句是延續(xù)性動作時，通常用when。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。,1)如果原因構(gòu)成句子的最主要部分，一般用because。因此，because引導(dǎo)的從句往往放在句末。例如：,I stayed at home because 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要，就用as或since。Since比as稍微正式一點。As和s

6、ince 引導(dǎo)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，for引導(dǎo)的從句幾乎可以放在括號里。For引導(dǎo)的句子不放在句子的開頭。例如：,I decided to stop and have lunch-for I was feeling quite hungry.,（3）if,whether,if和whether都可作“是否”講，在引導(dǎo)賓與從句一時般可互換。例如：,I wonder,whether(if)

7、,you still study in that school.,I dont know,whether(if),he likes that film.,在下列情況下，只能用whether,不能用if：,1)引導(dǎo)主語從句時。例如：,Whether,he will come to the party is unknown.,2)引導(dǎo)表語從句時。例如：,The question is,whether,I can pass the exam.,3)在不定式前。例如：,I havent made up my mind,whether,to go there,or not,.,（4）sothat,suc

8、h.that,1)sothat中的so是個副詞，其后只能跟形容詞或副詞，而such.that中的such是個形容詞，后接名詞或名詞短語。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,many,much,little,few,時，用,so,不用such。例如：,He has,so,little,education,that,he is unable to get a job.,I have had,so,many,falls,that,I

9、 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(dāng)它們連接兩個并列主語時，,謂語動詞要隨相鄰的主語變化,。（,就近原則,）例如：,Either you or,he,is,wrong.,Neither he nor,his children,like,fish.,Not only the teacher but also 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：我們不能說

10、“,Although,he is over sixty,but,he works as hard as others.”,這個句子應(yīng)改為：,Although,he is over sixty,he works as hard as others.,或He is over sixty,but,he works as hard as others.,（7）because,so,這兩個連詞同樣不能用在同一個句子中。例如：我們不能說“,Because,John was ill,so,I took him to the doctor.”,這個句子應(yīng)改為,Because,John was ill,I to

11、ok him to the doctor.,或John was ill,so,I took him to the doctor.,【實例解析】,3.(2004年吉林省中考試題),-I like riding fast.Its very exciting.,-Oh!You mustnt do it like that,_ it may have an accident.,A.and B.or C.so D.but,答案：,B,。該題考查的是并列連詞的用法。答語的意思是“你不要那樣做，否則會發(fā)生事故的?！痹谶@四個并列連詞中，只有or含有這樣的意思，所以應(yīng)選B。,4.(2004年天津市中考試題),J

12、ohn fell asleep _ he was listening to the music.,A.after B.before C.while D.as soon as,答案：,C,。,該題考查的是引導(dǎo)時間狀語從句的常用從屬連詞的用法。本句的含義是“約翰在聽音樂的時候睡著了?！北硎驹诟赡呈聲r發(fā)生了某個事情”通常用while。因此應(yīng)選C。,【中考演練】,1.-Will the foreigners have any problems talking with Chinese in 2008?,-I dont think so.Now _ the young _ the old can spe

13、ak 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.as,4.I wont believe that the five-year-old boy can read five thousand w

14、ords _ 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.

15、as if D.ever since,7.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 C.asas D.tooto,9.-Do you remember our pleasant journey to Xian?,-Of course.I remember everything _ it happened yesterday.,A.as soon as B.even though,C.rather than D.as if,10._ you cant answer this question,we have to ask someone else for help.,A.Although B.While C.Whether D.Since,THE END,