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1、拓展模块单词Unit12As引导的原因状语从句在强调句中的运用As引导的原因状语从句不能用在强调句中。It was as he was ill that he didnt go to school.（错)It was because he was ill that he didnt go to school.（对）要点: 目的状语从句由连词 so that， in order that, for fear that, in case, lest 引导。 重点: 目的状语从句中的谓语常含有may， might， can, could, should, would 等情态动词。so that 与i
2、n order that 的区别： 两个连词都意为“以便为了”但in order that可置于主句之前或之后, 而so that 引导的从句只能 置于主句之后. 1).Ill run slowly so that/in order that you can catch up with me。 （目的) 我将慢慢跑以至你能赶上我。 2).In order that fresh air might come in， I opened the window。 (目的） . 我把窗户打开以使新鲜空气可以进来目的状语从句特殊用法： for fear that, in case 与 lest。 这些从属
3、连词引导的目的状语从句，谓语动词 要用“ (should)+动词原形”虚拟语气.例如: Take your rain coatfor fearthat/in case lest it (should) rain. 带上你的雨衣，以防下雨注意：in case也可用于陈述语气 My parents live in a small village。 They always keep candles in a house_there is a power cut.A。 if B。 unless C. in case D. so that 结果状语从句主要连词:so that, sothat, such
4、that注意（1） sothat 与suchthat 结构可以互换： Its such an interesting film that we want to see it。 = Its so interesting a film that we want to see it。注意(2） many 多 so + much few little 少 1。He earns so little money that he can hardly feed his family. 2.They are such little children that they dont move the boxes.
5、注意(3） sothat可用于倒装句 So interesting is it a film that we want to see it.让步状语从句要点： 表示让步的状语从句由连词though/although ，even if, even though引导. 难点： l， though, although当“虽然”讲, 都不能和but连用. 但是它 们都可以同yet (still) 连用。 Although he is rich, yet he is not happy。 Although we have grown up， our parents still treat us as c
6、hildren. 2， although， though 辨析 though 可用作副词, 放在句末，用逗号隔开，意为“但是， 然而”。1)。He is looking fit， though。 但是，他看上去很健康. 2)。He is quite experienced, he is young, though. 尽管他很年轻，他很有经验。3, as， though 引导的倒装句 as / though引导的让步状语从句形容词/副词/名 词、实义动词提前. Child as /though he was, he knew what was the right thing to do。 =Th
7、ough he was a child, he knew what was the right thing to do. 注意：句首名词不能带任何冠词。 We had to wait half an hour we had already booked a table。 A。 since B. although C。 until D。 before让步状语从句4）”no matter +疑问词 或”疑问词+后缀ever No matter what happened， he would not mind. =Whatever happened, he would not mind。 替换：no
8、 matter what = whatever no matter who = whoever no matter when = whenever no matter where = wherever no matter which = whichever no matter how = however 注意:no matter 不能引导主语从句和宾语从句。 （错）No matter what you say is of no use now. （对）Whatever you say is of no use now. 你现在说什么也没用了。让步状语从句和名词性从句的区别1,让步状语从句可以用
9、:“疑问词+ever”=“no matter + 疑问词”来 替换，名词性从句不可以。 Whoever breaks the laws, he will be punished. =He will be punished whoever breaks the laws. =No matter who breaks the laws， he will be punished。 2, 名词性从句只能用“疑问词+ever”，不能用“no matter +疑问词”来替换。 Whoever breaks the laws will be punished。 You can take whatever y
10、ou like。 you may have， you should gather your courage to face the challenge 。A. However a serious problem B。 What a serious problem C. However serious a problem D。 What serious a problem方式状语从句方式状语从句通常由as, (just） asso， as if, as though引导。 注意: as ， so 的用法 “ 正如一样 可以用“A is to B what C is to D”来替换例如：bein
11、g Saturday and Sunday)， we ha As water is to fish, so air is to man. =Water is to fish what air is to man.我们离不开空气，犹如鱼儿离不开水难点：as if / as though可以引导一个分词 短语、不定式短语或无动词短语,例如： 1， He stared at me as if (he saw） seeing me for first time。 他目不转睛地看着我，就像第一次看见我似的。 2, He cleared his throat as though (he will say）
12、 to say something。 他清了清嗓子，像要说什么似的。状语从句的简化状语从句的简化同时具备下列两个条件: 1, 主句和从句的主语一致,或从句主语为it 2， 从句主要动词是be的某种形式。从句中的主语和 be动词常可省略。 1),When （ the museum is ) completed ， the museum will be open to the public next year 。 2）,Hell go to the seaside for his holiday if （it is ) possible。状语从句的简化由if， unless等引导的条件状语从句1，
13、If/when you work hard=Work hard， and you will succeed。 你如果努力工作就会成功。2.If /When you turn to the left=(Turning to the left）， you will find the store. 如果向左拐，你就会发现那个商店.3.If we were given=（Given） enough time， we could do the work better。 给我们足够的时间，我们就能把工作做得更好。4。If time permits （Time permitting), we will finish lesson 5 this term。装语从句的简化由as引导的原因状语从句1。As we didnt know （Not knowing) her address， we couldnt find her. 我们不知道她的地址,所以没找到她。2。As I was deeply moved (Deeply moved) by his words, I promised to help him。
