初中英語狀語從句精講

1、專題句型狀語從句,考點揭密中考考點設(shè)置典型例題解析課時訓練,考點揭密,在復合句中修飾主句中的動詞、形容詞或副詞或句子，起狀語作用的從句。由從屬連詞引導，從屬連詞在從句中不充當句子成分。狀語從句可置主語之前，也可置主語之后。前置時，從句后用逗號與主句分開；后置時，與主句之間無標點符號。 狀語從句可分為時間、原因、目的、結(jié)果、條件、

2、 比較、地點、讓步、方式等九類。,e.g. If you go to the party, you will have a good time. e.g. You will have a good time If you go to the party.,中考考點設(shè)置,1.時間狀語從句(1)引導詞：when, while, as, before, after,

3、as soon as, until/till, since.,e.g. Mother was cooking dinner when I reached home.( when “當……的時候”）,e.g. While the girl was shopping, the UFO landed. （ While “當……的時候”）,e.g. Don’t clos

4、e the window before you go to bed.(before 在……之前）,e.g. As he was reading, he was listening to the radio.（As “一邊……一邊”）,e.g. After I had done my homework, I went to bed.,e.g. The Greens has lived here since t

5、hey came to China.(since 引導的時間壯 語從句若用一般過去時，主句則用現(xiàn)在完成時,時間壯語從句中若用一般將來時，從句 則用一般現(xiàn)在時表示將來，即遵循“主將 從現(xiàn)”的原則。,e.g. I will write to you as soon as I get to Beijing.,e.g. I will tell him when he comes

6、back.,注意,e.g. I won’t go to bed until I finish my homework.,(3)not...until的同義句替換。 ① not…until在否定句中表示“直到……才”，主句中的動詞常用終止性動詞, 這時till/until可用before替換,② till/until 在肯定句中表示“直到為止”主 句中動詞用延續(xù)性動詞 e.g. I waited ti

7、ll / until he arrived. (wait是一個延續(xù)性動詞）,e.g. I didn’t leave until/till/before she came back.（leave是個短暫性動詞）,practice:,1. I will go to bed as soon as I ____my homework. A. will finish B.finishing C. fin

8、ish,C,4. I will not watch TV until I finish my homework . =I will not watch TV _____ I finish My homework .,before,,2.My sister ___________(read)her bookin the classroom when her teacher came in.,was readi

9、ng,3.I my__________ (do)homework while my parents____________(watch) TV last night.,was doing,were watching,(3)if...not與unless(=if…not…) 及or的同義句轉(zhuǎn)換。,(2)遵循“主將從現(xiàn)”的原則, (即主句若為一般將來時，從句用一般現(xiàn)在時代替將來。),2.條件狀語從句(1)引導詞：if,unless.

10、,e.g. If I am free, I will call you.,e.g. If it doesn’t rain, we will go for a walk.,unless是從屬連詞，它引導條件壯語從句，譯作“除非……否則的話”,e.g. You will be late for class unless you start right now.除非你現(xiàn)在出發(fā)否則的話年上學就會遲到的。 e.g. You

11、 will not succeed unless you work hard.,小結(jié):“祈使句+or+一般將來時的陳述句”結(jié)構(gòu)中，Or表示轉(zhuǎn)折，譯作“否則，不然的話”相當于一個否定的條件狀語從句。相當于If you don’t(can’t)…, you will…,例句. Study harder,or you will fail the exam.=If you don’t study harder, you will fa

12、il the exam.=Unless you study harder, you will fail the exam.,例句. Hurry up, or you will be late.=If you don’t hurry up, you will be late.=Unless you hurry up, you will be late.,practice:,1. If you ____ to the par

13、ty, you____ have a good time.,go,will,2. She _______________next Sunday if she________ busy.,will go shopping,won’t be,3.Please hurry up, or you will miss the train.=___you ___ hurry up, you will ___ the t

14、rain.=____ you hurry up, you will miss the train.,4.Water the young trees as often as Possible,or they will die soon. =____you ____ water the young trees as often as possible, they will die soon. =____ you

15、 water the young trees as often as possible, they will die soon.,If,don’t,Unless,If,don’t,Unless,miss,中考考點設(shè)置,3.原因狀語從句,(1)引導詞:because, since, as.,(2)對because 原因狀語提問用“why”。,(3)because 不能與so連用。,(4)because,since，as,for的區(qū)別

16、：,,Why are you standing here? ---Because I’m waiting for my uncle.,① because 從句所表示的是對方不知道的直接的原因，因此在回答以why引導的特殊疑問句時只可用because,它引導的從句可以位于主句前或主句后. 而as,since 引導的從句卻不可；,例句: Li Hong didn't go to school yesterd

17、ay,because he was ill.,② as從句所表示比較明顯的原因和理由(由于,既然)這種原因一般是大家知道的,一般從句說明原因，主句說明結(jié)果。其從句位于主句之前,,③ since用來表示比較勉強的理由和原或原由已為人們所知。,e.g. As the water was not deep, we were able to cross the river.(從句說明原因，主句說明結(jié)果),e.g. AS I

18、knew he was ill, I didn't call him.,e.g. Since everybody is here, let’s bigin the meeting （“大家都在這里”的原由已為人們所知）,e.g. Since you can’t answer the question,（原由已為人們所知）I’ll ask someone else.,for往往用于附加理由證明。所說的理由是一種補充說明。

19、分句前常有逗號，其引導的分句不可放于句首。例句：It’s spring now, for the flowers are out.,Practice:Why hasn’t Mr. Li come to work today.---- ____he has gone to Beijing to have a meeting. A.If B.Until C. Though D. Because2. I decided to st

20、op and have lunch, ___ I was feeling quite hungry.Because of B. for C. As,D,B,3.Because he was ill, he didn’t____ go to school. A. so B. /,4.A. I stayed at home because of the weather was bad.

21、 ( ) B. I stayed at home because the weather was bad. ( ) C. I stayed at home because of the bad weather A ( ),A,F,T,T,中考考點設(shè)置,例句: She is so great a father that w

22、e all like him.,4.目的狀語和結(jié)果狀語(1)目的狀語從句引導詞：so that…從句中常用情態(tài)動詞(can/could) E.g. Speak slowly so that we can understand you.(2)結(jié)果狀語從句引導詞： so + adj + that…, such + n + that…,so,+adj,+a,+n(名單),+t

23、hat,例句: It is so red an apple that I want to eat it.,so,+adj,+an,+n(名單),+that,(3)so與such的區(qū)別,,She is such a great father that we all like him.,such,+a,+adj,+n(名單),+that,It is such an red apple that I want to eat it.,such,

24、+an,+adj,+n(名單),+that,小結(jié): so+adj+a/an+n(單數(shù)）+that… such+a/an+adj+n(單數(shù)）+that…,1.It is ___small a room ___it can’t hold so many People. A. so… that, B. such…that… =It is ___ a small room ___it can’t

25、hold so many People. A. so… that, B. such…that…,Practice:,①,,A,B,2.He is __young a boy__ he can’t carry the box.He is __ a young boy ___ he can’t carry the box. A. so… that, A. such…that…,例句:It is such fine

26、 weather that people can go swimming.,such,+adj,+n(不可數(shù)),+that,例句: There are such beautiful flowers that we want to Pick it.,such,+adj,+n(pl),+that,②小結(jié) such+adj+un/n(pl)+that,A,B,I have so little money that I can’t buy

27、 the book.,We have so many friends that we feel happy.,We have so much homework that we tired.,小結(jié):一般情況下,such…that…結(jié)構(gòu)中用名詞, 但是,如果名詞是用little,few, many, much等 修飾時,要用so來表示.“如此……” so little

28、(如此少)+[u] so few (如此少)+cn so many(如此多)+cn so much(如此多)+[u]注意: little 若放在可數(shù)名詞前,譯作“小”,而不是“少”要用such來表示.,Review: ① so+形+a/an+名(單數(shù)) such+a/an+

29、形+名(單數(shù)) ② so+many/much/few/little+形+名 ③ such+形+不可數(shù)名詞/可數(shù)名詞復數(shù),Practice:1.Mary had ___to do that she was busy all day.So many work B. such much work2.They were ___little boys that they couldn't

30、go to school. A. so B. such3.All of us feel surprised that he was ___little boy eat_ __much food. A. so, so B. such, so,B,B,such,so,(4)so...that與too...to和...enough to間轉(zhuǎn)換 too…to 可與not enough注意:1.所修

31、飾詞和所修飾的詞是一對反義詞. 2.轉(zhuǎn)換時too放在所修飾詞之前.too+adj enough放在所修飾詞之后. adj+enoughe.g. The boy is so young that he can’t go to school. =

32、The boy is too young to go to school. =The boy is not old enough to go to school.,Practice:The room is small hold so many people. =The room is to hold so many people.=

33、The room is small it can’t hold so many people.,too,to,not big enough,so,that,中考考點設(shè)置,,5.讓步狀語從句 (1)引導詞： though /（although）,even though/if.,(2)though/不能與but連用。,請判斷正誤，對的寫“T”，錯誤的寫“F”。,A. Though I like looking a

34、fter her, but she doesn't let me do it. ( ),B. Though I like looking after her, she doesn't let me do it. ( ),C. I like looking after her, but she doesn'

35、t let me do it. ( ),F,T,T,,,6.比較狀語從句 (1)引導詞：as...as,not as (so)...as,than (2)not as (so)...as與than的同義句替換。 (3)as...as,not as (so)...as中間用形容詞或副詞的 原形。7.地點狀語從句 (1)引導詞where,wherever. (2)wherever

36、=no matter where8.方式狀語從句 引導詞：as if,as though.,Have a,Have a,T,R,est?,est?,返回主頁,【例1】 Lucy knew nothing about it _________her sister told her.［2003 河北?。?A.because B.until C.i

37、f D.since,典型例題解析,【例3】 The young man travelled all over the world he had a man-made leg.［2003 河南?。?A.though B.if C.as D.because,B,【例2】 Other people won'

38、;t be pleased if he the queue.［2003 河南?。?A.will jump B.jumps C.jump D.jumped,B,A,【例4】 The students will go to Summer Palace if it tomorrow.［2003 甘肅?。?

39、 A.don't rain B.won't rain C.doesn't rain D.isn't rain,C,【例7】 David was so careless that he didn't find the mistakes in his test paper.(改為簡單

40、句)［2003 福州市］ David was_________careless _________ find the mistakes in his test paper.,【例5】 The driver hurt the girl______badly_______she had to see a doctor.［2003 新疆］ A.so

41、,that B.either,or C.too,to D.neither,nor,典型例題解析,A,【例6】 Mrs Read didn't sleep well last night because the wind made too much noise.對句子劃線部分提問) _______

42、________Mrs. Read __________well last night?,too to,Why didn't,sleep,Ⅰ.單項選擇1.He was_________angry to hear the news that he couldn't say a word. A.so B.too C.very

43、 D.much2.Because his mother was ill,_________he must stay at home to look after her. A./ B.so C.that D.either3.Though the workers were very tired，_________they went on planting t

44、rees. A.and B.but C./ D.so4.They didn't watch TV_____they finished their homework. A.after B.when C.until D.as,課時訓練,(B),(A),(C),(C),課時訓練,5.I'l

45、l write to you as soon as I_________Beijing. A.get to B.arrive C.will get to D.will arrive6.We'll have a trip if it_________rain. A.won't B.will C.don

46、't D.doesn't7._________you hurry up ,or we will be late for school. A.If B./ C.Unless D.When8.He saves money_________he can buy some birthday presents for his mother. A

47、.so B.so that C.such that D.in order9.—Why are you late for school? —_________ I got up late. A.Because B.For C.Since D.As,(A),(D),(C),(B),(

48、A),10.The flowers_________well if they_________. A.won't grow,don't take good care of B.don't grow,are taken good care of C.don't grow,don't take good care of D.won't grow,are not

49、taken good care of,課時訓練,(D),11.He asked_________many strange questions that the teacher didn't't want to teach him any more. A.so B.such C.too D.very,(A),12.Ann is so careful that

50、 she always goes over her exercises to there are no mistake. A.look for B.make sureC.find out D.think about,(B),13.I have my own car,so I______drive where I want to go. A.must B.have

51、 C.need to D.can,(D),14.The old man was quite weak after the accident,so he A.must be takes care of B.must take care of C.must be looked after D.must look after15.The man had gone

52、 away _________ the old man said thanks to him. A.that B.so C.until D.before,課時訓練,,,,C,D,Ⅱ.句型轉(zhuǎn)換，將下列各句改為同義句1.Hurry up or you'll be late for school._____you _______hurry up you'll b

53、e late for school.________you hurry up ,you'll be late for school.2.I'll do my homework when my mother comes back.I______ do my homework ______my mothercomes back.3.This question is so hard that no one can a

54、nswer it.This is______ _____ ______that no one can answer it.4.Because he was ill,he didn't go to school.He was ill, _______he didn't go to school.5.Though he was tired,he went on working.He was tired,______

55、__he went on working.,課時訓練,,If,don't,Unless,won't,until,such a hard,so,but,6.The ice on the lakez was so thin that people couldn't skate on it. The ice on the lake was _____thick _______ ______

56、_people______ ______ _____.7.The girl was too excited to say a word. The girl was ______excited_____he couldn't say a word.8.The men was so old that he couldn't climb the hill. The man was _____old ____

57、__climb the hill.9.unless you are brave you'll lose your chanc.______you ______brave,you'll lose your chance.______brave,_____ you'll lose your chance.10.The weather is so fine that people can go out for

58、a walk.It is_____ ______ _______that people can go out for a walk.,課時訓練,,not,enough for,to skate on,so,that,too,to,If,are,Be,or,such fine weather,11.It's such a small room that it can't hold too

59、many people.It's ___ ______ ___room that it can't hold too many people.12.He had breakfast before he went to school.He _____ ______breakfast ______he went to school.13.When he was 12,he started writing his o