初中英語連詞歸納名師優(yōu)質(zhì)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(dú)使用。連詞可分為兩類：中不能單獨(dú)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(guān)系的詞，短語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：或句子。常見的并列連詞有：(1)(1)表并列關(guān)系的表并列關(guān)系的and, bothand, not and, bothand, not onlybut also, neithernoronlybut also, neithernor等。等。

2、(2)(2)表選擇關(guān)系的表選擇關(guān)系的or, eitheroror, eitheror等。等。(3)(3)表轉(zhuǎn)折關(guān)系的表轉(zhuǎn)折關(guān)系的but, whilebut, while等。等。(4)(4)表因果關(guān)系的表因果關(guān)系的for, sofor, so等。等。從屬連詞從屬連詞從屬連詞用來引導(dǎo)從句。常見的從屬連詞有：從屬連詞用來引導(dǎo)從句。常見的從屬連詞有：(1)(1)引導(dǎo)時(shí)間狀語從句的引導(dǎo)時(shí)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(dǎo)條件狀語從句的引導(dǎo)條件狀語從句的if, unlessif, unless等。等。(3)(3)引導(dǎo)原因狀語從句的引導(dǎo)原因狀語從句的because, as, sincebecause, as, since等。等。(4)(4)引導(dǎo)目的狀語從句的引導(dǎo)目的狀語從句的so that, in order thatso that, in order that等。等。(5)(5)引導(dǎo)讓步狀語從句的引導(dǎo)讓步狀語從句的though, although, even ifthough, although, even if等。等。(6)(6)引導(dǎo)結(jié)果狀語從句

4、的引導(dǎo)結(jié)果狀語從句的so that, sothat, suchthatso that, sothat, suchthat等。等。(7)(7)引導(dǎo)比較狀語從句的引導(dǎo)比較狀語從句的than, asasthan, asas等。等。(8)(8)引導(dǎo)賓語從句的引導(dǎo)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(gè)連詞都可引導(dǎo)時(shí)間狀語從句，但用法有所不同。這三個(gè)連詞都可引導(dǎo)時(shí)間狀語從句，但用法有所不同。1) 當(dāng)某事正在進(jìn)行的時(shí)候，又發(fā)生了另一件事。當(dāng)某事正在進(jìn)行的時(shí)候，又發(fā)生了另一件事。

5、while, when, as 都都可用來引導(dǎo)表示可用來引導(dǎo)表示“背景背景”的時(shí)間狀語從句。例如：的時(shí)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(gè)長動(dòng)作同時(shí)進(jìn)行的時(shí)候，最常用的是當(dāng)兩個(gè)長動(dòng)作同時(shí)進(jìn)行的時(shí)候，最常用的是while。例如：。例如：while mother was cooking lunch, i was doing my homework.3) 當(dāng)兩個(gè)動(dòng)作都表示發(fā)展變化的情況時(shí)，最常用的是當(dāng)兩個(gè)動(dòng)作都表示發(fā)展變化的情況時(shí)，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(dāng)兩個(gè)短動(dòng)作同時(shí)發(fā)生時(shí)，或表示當(dāng)兩個(gè)短動(dòng)作同時(shí)發(fā)生時(shí)，或表示“一邊一邊一一邊邊”時(shí)，最常用時(shí)，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(dāng)從句的動(dòng)作先于主句的動(dòng)作時(shí)，通常用當(dāng)從句的動(dòng)作先于主句的動(dòng)作時(shí)，通常用when。例如：例如：when he finished h

7、is work, he took a short rest.6) 當(dāng)從句是瞬間動(dòng)作，主句是延續(xù)性動(dòng)作時(shí)，通常當(dāng)從句是瞬間動(dòng)作，主句是延續(xù)性動(dòng)作時(shí)，通常用用when。例如：。例如：when john arrived i was cooking lunch.（2）as, because, since , for這四個(gè)詞都可表原因，但用法有區(qū)別。這四個(gè)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，一般用如果原因構(gòu)成句子的最主要部分，一般用because。因。因此，此，because引導(dǎo)的從句往往放在句末。例如：引導(dǎo)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(diǎn)。稍微正式一點(diǎn)。as和和since 引導(dǎo)的從句一般放在句子的開頭。例如：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(bǔ)充說明一種理由，因此，用來補(bǔ)充說

9、明一種理由，因此，for引導(dǎo)的從句幾引導(dǎo)的從句幾乎可以放在括號(hào)里。乎可以放在括號(hào)里。for引導(dǎo)的句子不放在句子的開頭。引導(dǎo)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(dǎo)賓與從句一時(shí)般可互換。例講，在引導(dǎo)賓與從句一時(shí)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(dǎo)主語從句時(shí)。例如：引導(dǎo)主語從句時(shí)。例如：whether he will come to the party is unknown. 2) 引導(dǎo)表語從句時(shí)。例如：引導(dǎo)表語從句時(shí)。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(gè)副詞，其后只能跟形容詞或副是個(gè)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(gè)形容詞，后接名詞或是個(gè)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(shí)，用時(shí)，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(gè)連詞詞組都可連接兩個(gè)并列成分。當(dāng)它們連這三個(gè)連詞詞組都可連接兩個(gè)并列成分。當(dāng)它們連接兩個(gè)并列主語時(shí)，接兩個(gè)并列主語時(shí)，謂語動(dòng)詞要隨相鄰的主語變化謂語動(dòng)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(gè)連詞不能用在同一個(gè)句子中。例如：這兩個(gè)連詞不能用在同一個(gè)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(gè)句子應(yīng)改為：這個(gè)句子應(yīng)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(gè)連

14、詞同樣不能用在同一個(gè)句子中。例如：這兩個(gè)連詞同樣不能用在同一個(gè)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(gè)句子應(yīng)改為這個(gè)句子應(yīng)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(shí)例解析】【實(shí)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(huì)發(fā)生事故的。你不要那樣做，否則會(huì)發(fā)生事故的。”在這四個(gè)并列連詞中，只有在這四個(gè)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(yīng)選以應(yīng)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(dǎo)時(shí)間狀語從句的該題考查的是引導(dǎo)時(shí)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(shí)候睡著了。聽音樂的時(shí)候睡著了?！北硎驹诟赡呈聲r(shí)發(fā)生表示在干某事時(shí)發(fā)生了某個(gè)事情了某個(gè)事情” 通常用通常用while。因此應(yīng)選。因此應(yīng)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