單擊此處編輯母版標(biāo)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：,(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,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(jìn)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(jìn)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since 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),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,such.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 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“,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 took 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),John 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。”表示在干某事時發(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 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.as,4.I wont believe that the five-year-old boy can 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 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,