1、高中狀語從句說明練習副詞修飾動詞、形容詞、副詞或整個句子。通常由副詞、介詞短語、動詞不定式、分詞和從句等擔任。例如：1.natural，our grandparents were pleased to get our phone call。(副詞)2.we worked hard，from sunrise to sunset。(介詞短語)3.to help my disabled aunt，I spend an hour working in her house every day。(不定式)4.seen from a distance，the farm house looked desert

2、ed。(過去分詞)5.I know how to light a camp fire because I had done it before。(原因狀語從句)副詞的位置比較靈活，可以位于句子的第一個、句子的最后一個或句子。Enough用作副詞修飾形容詞和副詞時，必須走到最后。狀語從句主要用來修飾主要句子或主要句子的謂語。一般可以分為9類，分別表示時間、地點、原因、目的、結(jié)果、條件、讓步、比較和方法。雖然種類很多，狀語從句的漢語結(jié)構(gòu)和用法相似，理解和掌握起來不難。狀語從句的核心是熟悉引導(dǎo)其他狀語從句的一般連詞和特別的連詞一起是考試點。下一個是：1.時間狀語從句通用啟動單詞：when、as、wh

3、ile、as soon as、while、before、after、since、till和until特殊引導(dǎo)詞：the minute、the moment、the second、every time、the day、the instant、immediately、directly、no soonectly.than，hardly.when，scarcely.whenI didn t realize how special my mother was until I becomame an adult。While John was watching TV，his wife was coking。

4、the children ran away from the orchard the moment they saw the guard .no sooner had I arrived home than it began to rain。Every time I listen to your advice，I get into troubles。2.位置副詞子句通用啟動單詞：where特殊啟動字：wherever、anywhere、everywhereGenerally，air will be heaviry polluted where there are factores。Whater

5、ever you go，you should work hard。3.原因狀語從句常用的指導(dǎo)詞：because、since、as、since特殊引導(dǎo)詞：seeing that、now that、in that、consiring that、given that、consiring that、我的friends dislike me because I m handsome and successful。Now that everyody has come，lets begin our conference。the higher income tax is harmful in that it

6、may discurage people from trying to earn more .consiring that he is no more than 12 years old，his height of 1.80m is quite remarkable。4.目的狀語從句通用啟動詞：so that，in order that特殊引導(dǎo)詞：lest、in case、for fear that、in the hope that、for the purpose that、to the end thatthe boss asked the secretary to hurry up with

7、 the letters so that he could sign them .the teacher raised his voice on purpose that the students in the back could hear more clearly .結(jié)果狀語從句常用導(dǎo)游：so.that，so.that，such.that、特殊引導(dǎo)詞：such that、to the degree that、to the extent that、to such a degree that、he got up so early that he caught the first bus。it

8、s such a good chance that we must not miss it .to such an degree was he exited that he could n t sleep last night .6.條件狀語從句一般啟動字：if、unless、特殊引導(dǎo)詞：as/solong as、only if、providing/provided that、suppose that、in case that、on condition thatwe ll start our project if the president agrees。you will cerainly s

9、ucced so long as you keep on trying。provided that there is no opposition，we shall hold the meeting here。7.讓步狀語從句通用引導(dǎo)詞：though、although、even if、even though特殊指導(dǎo)語：as(要在讓步狀語從句中使用，必須倒進去)、while(通常用于句子頭)、no matter.in spite of the fact that、while、whatever、whoever、whenever、whenever、whenever、however和whicheverM

10、uch as I respect him，I cant agree to his proposal。我尊敬他，但我不同意他的建議。the old man always enjoys swimming even though the weather is rough .No matter how hard he tried，she could not change her mind。He wont listen whatever you may say。8.副詞子句比較通用啟動詞：as(同級比較)、than(不同級別的比較)特殊指導(dǎo)詞：the more.the more.Just as.so.a

11、 is to B what/as X is to Y；否.more thanNot A so much as BShe is as bad-tempered as her mother。the house is three times as big as ours。The more you exercise，the healthier you will be。食物像機器一樣是人類。9.方法狀語從句通用啟動單詞：as、as if、how特殊指導(dǎo)詞：the wayWhen in Rome，do as the Roman do。She behaved as if she were the boss。

12、some times we teach our children the way our parents have taught us。10.副詞子句簡化狀語從句的省略副詞子句有以下兩個條件：主句和從句的主語一致，或者從句主題是it。從句的主要動詞是什么形式？子句中的主語和動詞經(jīng)常可以省略。例如：the museum is completed，the museum will be open to the public next year。he ll go to the se aside for his holiday if(it is)possible。另外，比較副詞子句經(jīng)常被省略。例如：Im

13、 taller than he (is tall)。The higher the temperature (is)，the greater the pressure (is)。副詞子句的情況，有時為了使語言簡潔，“簡化”副詞子句。狀語從句的“簡化”現(xiàn)象在口語中比較普遍，在高考中再現(xiàn)率也很高。因此，需要全面徹底地理解。狀語從句的“簡化”現(xiàn)象通常在以下5個狀語從句中，由if、unless等誘導(dǎo)的條件狀語從句中。由although、though、even if/though等引起的讓步狀語從句；由when、while、as、before、after、until/till等誘導(dǎo)的時間狀語從句； as、

14、as if等誘導(dǎo)副詞子句； as、than等誘導(dǎo)的比較副詞子句。下面概述了這五個方案。(1)如果副詞子句的主題是it，謂語動詞是be，那么it和be必須完全簡化。例如：it is(if)possible，he will help you out of the difficulty。如果可能的話，我會幫他擺脫困境的。you must attend the meeting unless(it is)inconvenient to you。如果情況對你不方便，就應(yīng)該參加這個會議。(2)副詞子句中的主語與主句中的主語相匹配時，子句可以簡化主語和be動詞。通常用于以下方案：A.連詞形容詞As (he w

15、as) young，he learned how to ride a bike。他小時候?qū)W過騎自行車。弗里根，謝夫滕戈斯肖普廷。她有時間就去逛商店。Work hard when (you are) young，or youll regret。年輕不累，老板們悲傷。B.連接詞名詞While (he was) a young boy，he was always ready to help others。他童年時有幫助。altherf a farmer，now he is a famous director。雖然是農(nóng)民，但現(xiàn)在是有名的導(dǎo)演。C.連詞現(xiàn)在分詞she was(she was)walkin

16、g along the river bank，she was singing a pop song。她沿著堤岸散步，唱著流行歌曲。altherf(he is)也是ing his best in maths these days，he has still got no good marks .最近學(xué)了數(shù)學(xué)，但還是沒有取得好成績。D.連詞過去分詞he wont go there with us unless(he is)invited。除非受到邀請，否則他不會和我們一起去那里。the concert was a great success than(it was)expected。這場音樂會出乎意

17、料地取得了巨大的成功。E.連接詞不定式he stood up as if(he were)to say something。當時他站起來好像要說什么。he woulnt solve the problem even if(he were)to take charge。即使他負責，也解決不了這個問題。f .連接詞介詞短語shalod anshaw as though in trouble。她看起來很焦急，好像出了問題。he had mastered the English language before(he was)in the USA。他來美國之前就理解了英語。當：子句主語和咒語章主語不一致時，子句部分以完整的形式或獨立的主格結(jié)構(gòu)來表達。例如：When the meeting was over，all the p