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1、 語法精講精煉語法精講精煉第第十三講十三講 連詞和狀語從句連詞和狀語從句考點(diǎn)考點(diǎn)1.并列連詞的基本用法并列連詞的基本用法并列連詞按作用可分為表示聯(lián)合、轉(zhuǎn)折、選擇和因果等四大類。1.表聯(lián)合關(guān)系的并列連詞常見的有：表聯(lián)合關(guān)系的并列連詞常見的有：(1)and意為“和,又,而,并且”。如:I like English and math.我喜歡英語和數(shù)學(xué)。(2)not only.but also(but as well) 意為“不但而且”。如：Not only my father but also my mother likes watching TV very much.不但我的爸爸,而且我的媽媽也非

2、常喜歡看電視。(3)as well as 意為“也”。如：He needs a knife as well as a piece of paper.他需要一把小刀,也需要一張紙。(4)either.or. 意為“或或；不是就是”。either.or. 連接兩個(gè)主語時(shí),謂語動(dòng)詞的單復(fù)數(shù)和其鄰近的詞保持一致,即由or后面的詞而定。如：Either he or I am going to have a meeting.要么他,要么我將參加會(huì)議。(5)neither.nor. 意為“既不也不。當(dāng)此詞組連接兩個(gè)主語時(shí),謂語動(dòng)詞的用法和either.or.的用法一樣,由nor后面的詞而定。如：Neithe

3、r the teacher nor the students are happy.老師和學(xué)生都不開心。(6)both.and. 意為“既又”。連接兩個(gè)主語時(shí),謂語動(dòng)詞用復(fù)數(shù)形式。如：Both Mary and Lily are from America.瑪麗和莉莉都來自美國。2.轉(zhuǎn)折連詞常見的有：轉(zhuǎn)折連詞常見的有：but,while(而),yet,however(然而)。如：He likes sports,but he only watches them on TV.他喜歡體育,但是只在電視上觀看。My sister was doing her homework while I was pla

4、ying computer games.我的妹妹在做作業(yè),而我在玩電腦游戲。3.選擇連詞常見的有：選擇連詞常見的有：or,otherwise。如：Would you like tea or coffee? 你要茶還是咖啡？Hurry up,otherwise we cant catch the bus.快點(diǎn),否則我們趕不上車。重要的句型：祈使句+or.=if you dont.,youll. 意為“請,否則”。如：Dont go out,or you will catch a cold.請不要出去,否則你會(huì)感冒的。4.因果連詞常見的有因果連詞常見的有:for,so和therefore等。其中f

5、or引導(dǎo)的句子不表示直接原因,而是用來附帶解釋或說明前一句的情況,只用在句中,前后兩個(gè)句子用逗號隔開。如：Youd better put on your sweater,for its cold outside.你最好穿上毛衣,外面冷。My father is waiting for me,so I have to go.爸爸在等我,所以我要走了。It is going to rain,therefore we have to put off the match.要下雨了,因此我們不得不推遲比賽。考點(diǎn)考點(diǎn)2.從屬連詞從屬連詞引導(dǎo)狀語從句的從屬連詞(1)連接時(shí)間狀語從句的從屬連詞有：since,

6、until,after,before,when,while,as,as soon as,whenever,ever since等。如：His father came back home while he was watching TV.他在看電視的時(shí)候,他爸爸回家了。(2)連接讓步狀語從句的從屬連詞有：although,though,even if,however等。如：The old man plays sports every morning,although he is over 70 years old.雖然那個(gè)老人70多歲了,但他每天早晨都鍛煉身體。(3)連接原因狀語從句的從屬連詞有

7、：as,because,since,now that等。如：Lets go to a movie,since we are free now.既然現(xiàn)在我們有時(shí)間,那去看電影吧。(4)連接目的狀語從句的從屬連詞有：that,so that,in order that等。如：Mr.Black ran fast in order that he could catch the train.布萊克先生為了趕火車而快跑。(5)連接條件狀語從句的從屬連詞有：if,unless,once,in case等。如：Her father wont buy her a present unless she gets

8、 good grades.除非她取得好成績,不然她爸爸不會(huì)給她買禮物的。(6)連接結(jié)果狀語從句的從屬連詞有：so.that,such.that等。如：This movie was so boring that we were sleepy.這場電影如此無聊,以至于我們都困了?？键c(diǎn)考點(diǎn)3.狀語從句的時(shí)態(tài)狀語從句的時(shí)態(tài)(主將從現(xiàn)類主將從現(xiàn)類)1.用法：用法：if(如果),as soon as(一就),until(直到才),when(當(dāng)時(shí)),before(在之前),after(在.之后),unless(除非)等詞連接的時(shí)間、條件或讓步狀語從句時(shí),主句用將來時(shí)(有時(shí)候是祈使句),從句用一般現(xiàn)在時(shí)表將來

9、時(shí)。2.標(biāo)志詞：標(biāo)志詞：as soon as,when,if,until,unless,as long as,before,after,even if等。如：We wont go out(主句)if it is rainy tomorrow(從句).如果明天下雨,我們將不會(huì)外出。As soon as I arrive in Beijing(從句),I will give you a call(主句).我一到北京,就會(huì)給你電話。She wont go to bed until her mother comes back.直到她媽媽回來,她才去睡覺。I wont write to you befo

10、re you write to me.在你寫信給我前,我不會(huì)寫信給你的。I will leave the company unless it offers me more money.除非公司給我加工資,否則我就離開。語法選擇語法選擇(連詞連詞) People all over the world celebrate the New Year._,not all countries celebrate in the same way,and in some countries,the New Year doesnt begin on the same date every year.In ma

11、ny countries,the New Year begins on 1st January,_people start celebrating on 31st December,New Years Eve.In New York many people go to celebrate in Times Square._theyre waiting for the New Year,they listen to music,sing traditional songs and have123fun.Just _12 oclock,everyone counts down from 10：10

12、,9,8._its 12 oclock,everyone shouts very loudly,“Happy New Year!” New Years Day is often a family day.Some families get together for a special meal._the weather is fine,many families go out for a walk. On New Years Day,many people make resolutions for the New Year.They write down a list of things,su

13、ch as “I will help out more with housework.I will work harder at school than456others.”_“I wont spend so much time playing video games.”_they have made their list,they read it to their family or friends and promise to follow their resolutions. _it doesnt matter_they celebrate,for people in countries

14、 all over the world,its a time to say goodbye to the old year,and to welcome the new.( )1.A.So B.However C.Because D.Also( )2.A.if B.even though C.but D.before( )3.A.Because B.Since C.As soon asD.While78910BCD( )4.A.before B.after C.when D.while( )5.A.As soon as B.Before C.Just before D.Since( )6.A.As soon as B.When C.Before D.Even though( )7.A.and B.but C.or D.so( )8.A.Even though B.So C.While D.When( )9.A.So B.But C.And D.Or( )10.A.what B.how C.when D.whereAABCDAB