中考語法狀語從句課件

1、狀語從句中考英語語法專題什么是狀語從句？用一個句子充當(dāng)狀語成分，那個句子就是狀語從句。I get upat sixwhen it is dark.I get upat schoolwhere I study.狀語從句狀語從句同副詞，介詞詞組等作狀語一樣，用于修飾謂語，說明謂語動作的時間，地點(diǎn)，方式，手段，條件，程度，比較，原因，目的，結(jié)果等 I get up at 6:00It is darkI get up when it is dark1.時間狀語從句I was watching TV at ten oclock yesterday.I was watching TV when my mo

2、ther got home.-時間狀語-時間狀語從句1. 時間狀語從句的引導(dǎo)詞：when（當(dāng)時候）, while（當(dāng)時候）, before（在之前）, after（在之后）, till/ until（直到）, as soon as （一就）， as（當(dāng)時,一邊,一邊）, since（從以來）, by the time （當(dāng)時候）等引導(dǎo)。在忘記之前,我要把它寫下來。我一到上海就會寫信給你。 我們一直到雨停了才離開。We didnt leave until the rain stopped.As soon as I arrive in Shanghai, I will write to you.I

3、ll write it down before I forget it.2.在時間狀語從句里，當(dāng)主句是一般將來時，從句用一般現(xiàn)在時。Ill ring you up as soon as I get to New York.I will tell him everything when he comes back.He wont believe it until he sees it with his own eyes.when :當(dāng)時候, 通常指某一特定的時間點(diǎn)，主句與從句的動作同時發(fā)生。When I opened the window, I saw him come up.When I ha

4、ve time , I will go to see you. When I came home, I met an old schoolmate of mine. He said he would tell her about it when he saw her.while:在期間，往往指一段時間,從句中一般用持續(xù)性動詞作謂語。 She fell asleep while she was reading the newspaper.while有時可以作并列連詞，表示對比，可譯成而。 I am fond of English while he likes maths.I was workin

5、g while he was playing.as : 當(dāng)時；一邊一邊；隨著某事一發(fā)生，另一事立即發(fā)生兩個動作同時發(fā)生As the day went on, the weather gotworse.As the captain passed me, I askedhim whether there was any hope of saving the ship._hehadfinishedhishomework，hetookashortrest_he walked along the lake， he sang happily._ she was typing the letter,the

6、telephone rangwhen， as， while區(qū)別when whileasWhenAsWhile時間點(diǎn)延續(xù)性動詞“一邊.一邊”時間段終止性動詞as soon as - 一就Jack went to school as soon as he got well.Ill ring you up as soon as I get an answer from him. since ：自從, 通常主句用現(xiàn)在完成時I have never been there again since I graduated from the university.It is +時間段+since從句(過去時)

7、 It has been +時間段+since從句(過去時)It is five years since we met last time.It has been ten moths since we graduated. before 在前It will be half a year before I come back.It wont be half a year before we meet again.We sailed four days and nights before we saw the land.it will be +一段時間+ before.多久之后才.it wont

8、be +一段時間+ before.不久就.till, until和notuntil：1.until/till引導(dǎo)時間狀語從句用于肯定句時，主句的動詞是延續(xù)性動詞，表示動作或狀態(tài)一直持續(xù)到until/till所表示的時間，意為“某動作一直延續(xù)到某時間點(diǎn)才停止”。如： We waited until he came. 2用于否定句時，主句謂語動詞是非延續(xù)性動詞，從句為肯定，意為“某動作直到某時間才開始”,如: He wont go to bed till/until she returns. 練習(xí) : 1. Ill write to you _ I get there. A. while B. b

9、efore C. as soon as D. by2. He has lived in the city _ he came back from America. A. when B. before C. since D. after3. We wont leave here _ our teacher comes back. A. until B. since C. after D. as soon as4. I had to finish the picture _ my mother came back. A. until B. before C. after D. while5. Jo

10、hn fell asleep _ he was listening to the music. A. after B. before C. while D. as soon as 中考題型時間狀語從句2. 地點(diǎn)狀語從句地點(diǎn)狀語從句由 where, wherever 等引導(dǎo)。例如：You can take a walk wherever you like to. -Mom, what did your doctor say? - He advised me to live where the air is fresher.3.條件狀語從句由if（如果）, unless（if.not，除非）, s

11、o/as long as （只要）等引導(dǎo)，談?wù)摰氖且粋€有可能發(fā)生的事實(shí)及其產(chǎn)生的相關(guān)的結(jié)果，主句用現(xiàn)在時，從句也用現(xiàn)在時；主句用過去時，從句也用過去的某種時態(tài)。主將從現(xiàn)具體地講，主句是一般將來時(包括祈使句和含有情態(tài)動詞can, may, must等)，從句也用一般現(xiàn)在時。We wont wait for him, if he doesnt come before 12oclock.We wont wait for him, unless he comes before 12oclock.So long as you keep on trying, you will surely succee

12、d.“祈使句 + and （or）+ 結(jié)果句” = 條件狀語從句Hurry up, or youll be late.=If you dont hurry up,youll be late.Study hard and you will pass the exam.=If you study hard, you will pass the exam. Youll be late _ you dont get up early tomorrow morning.A. if B. when C. before D. untilIf he _ on time, we will go without

13、himA. doesnt come B. dont comeC. didnt comeIf you _ him tomorrow, please ask him if he _ to work on the farm with us.A. see ; goes B. will see; goes C. will see; will go D. see; will go中考題型總結(jié)： 條件狀語從句考的頻率比較高，主要考查if 連詞和if引導(dǎo)的從句與主句的時態(tài)（主將從現(xiàn)）條件狀語從句如果是否 4.原因狀語從句原因狀語從句通常由because, as, since, 等詞引導(dǎo)。because語氣較強(qiáng)

14、，用以回答why問句。Why are you late again today?Because Ive got a bad cold.as語氣較弱，較口語化，所表示的原因較明顯。As I didnt know the way, I asked a policeman.since語氣較弱，常表對方已知的事實(shí)，相當(dāng)于漢語的“既然”。Since you cant answer the question, you might ask someone else for help.because和so不能同用在一個句子里 , 如：我們不能說：Because it rained hard, so we st

15、ayed at home.應(yīng)該說：或It rained hard, so we stayed at home.Because it rained hard, we stayed at home.because of和because的區(qū)別 because of后加名詞代詞或動名詞，不加句子，而because加句子，例：Because of his illness, he didnt go to work.Because he was ill, he didnt go to work. 1. I didnt buy the dictionary yesterday _ my aunt would

16、give me one. A. until B. because C. if D before2. - Why did you come to school late this morning? - _ I watched the football World Cup until 12 oclock last night. A. If B. Because C. Since D. Though中考題型總結(jié)： 重點(diǎn)掌握because 的用法 （注： because 和so 不能同時用在一個句子中）原因狀語從句5.結(jié)果狀語從句結(jié)果狀語從句常用so that, such that等關(guān)聯(lián)詞引導(dǎo)。e.g

17、. He is so young that he cant go to work. He got so little pay that his family had to live on welfare money. Its such a good chance that we mustnt miss it. 他如此小以致于他不能上班。他工資很少，他的家人不得不靠救濟(jì)金生活。(welfare money)機(jī)會這樣好，我們決不能失掉。sothat 和 suchthat suchthat“如此的以致于”表結(jié)果。該結(jié)構(gòu)常見于： 1.sucha(an)形名詞that2.such形復(fù)數(shù)名詞不可數(shù)名詞th

18、atsothat “如此的以致于”表結(jié)果。該結(jié)構(gòu)常見于： 1.so+形副that2.so+形a(an)單數(shù)名詞that3.somany/much/few/little復(fù)數(shù)名詞（不可數(shù)名詞）+that It was such a wonderful film that all of us wanted to see it again. =The film was so wonderful that all of us wanted to see it again.It is such an important match that nobody wants to miss it.=The mat

19、ch is so important that nobody wants to miss it.He had such long arms that he could almost touch the ceiling.Soon there were so many deer that they ate up all the wild roses.He has so little time that he cant go to the cinema with you.記：注：名詞前由many， much， little， few等詞修飾時，用so，不用suchsothat句型的否定形式可用簡單句

20、tooto或notenough to代替。如：He is so young that he cant go to school.=He is too young to go to school.=He is not old enough to go to school6.目的狀語從句(1).引導(dǎo)目的狀語從句的詞組有so that， in order that等，謂語中常含有may, might, can, could, will, would等情態(tài)動詞。如：He must get up early so that he can catch the first bus.(2).當(dāng)從句主語與主句主

21、語一致時，可用so as to,in order to。 如：He worked day and night in order that he could succeed.=He worked day and night in order to succeed.7. 讓步狀語從句讓步狀語從句，表示“雖然，盡管，即使”等概念，常用的關(guān)聯(lián)詞有：though, although, even though/ if 等。 Though he was ill, he was still working. 他雖然有病，但仍然繼續(xù)工作。 Although it is difficult, we shall d

22、o it. 此事雖難，但我們還是要做。 Even though you say so, I do not believe it. 即使你這樣說，我也不信。 though和although可以互換，只是although比較正式。 though/ although不可以與連詞but連用，但可以與yet，still連用。例： Though it was raining hard, but he still went out. Though it was raining hard, he still went out. It was raining hard, but he still went ou

23、t . 8. 比較狀語從句比較狀語從句常用than或asas，the more the more等引導(dǎo)。than表示兩者的比較，asas表示程度相同的比較；The morethe more表示” 越越”。例：That book is more interesting than this one. 那本書比這本有趣。He runs as fast as I （do）. 他和我跑得一樣快。The more I see him , the less I like him.我越看他就越不喜歡。1. He doesnt work so hard _you do.2.The more you worry,

24、 _youll succeed.3.She did worse in the test _she expected.asthe lessthan練一練9. 方式狀語從句方式狀語從句由 as, as if , as though 等引導(dǎo)。例如: You can do it as what I just did. I couldnt moved my legs. It was as if they were stuck to the floor. He sounds as though hes got a sore throat.Lets do more exercises（ ）1. Well s

25、et out as soon as our monitor _. A. comeB. comes C. will comeD. has come （ ）2. Ill go with you if it _fine tomorrow. A. has beenB. is C. will be D. be （ ）3. Ill meet him at the station when he _. A. will returnB. return C. returns D. returned （ ）4. I wont go to see the film tonight, because I _ my t

26、icket. A. lost B. have lost C. will lost D. didnt have B B C B（ ）5. Are you going to visit the farm tomorrow? Yes. But if it _, well stay at school. A. rainB. rained C. rainsD. will rain（ ）6. Please dont stand up in class until you _. A. were told to B. are told to C. were told D. are told（ ）7. They wont be back until the work _. A . do B. does C. is done D. will do（ ）8. Xiao Ming will come and play with me if he _busy. A. isB. wont be C. isnt D. will be BC C C（