【正文】 比較狀語從句 方式狀語從句 初中階段主要掌握前面1到6種狀語從句。第四講 狀語從句l 知識要點(diǎn)列舉要點(diǎn)一、狀語從句概述狀語主要是用來修飾動詞和形容詞的，以表明動作發(fā)生或狀態(tài)存在的時間、地點(diǎn)、原因、目的、結(jié)果等。要點(diǎn)三、狀語從句的分類講解 時間狀語從句 用表示時間的連詞連接一個句子作狀語，這樣的主從復(fù)合句就是時間狀語從句。如：①When she came in, I stopped ，我在吃飯。并且while有時還可以表示對比。（as表示“一邊……一邊”）②As we was going out, it began to snow. 當(dāng)我們出門時，開始下雪了。如：It will be four days before they e back. 他們要過四天才能回來?！鴄fter表示主句動作發(fā)生在從句動作之后。（從句用過去完成時，主句用一般過去時）（三）till或until引導(dǎo)的時間狀語從句的區(qū)別till和until一般情況下兩者可以互換，但是在強(qiáng)調(diào)句型中多用until。t go to bed until（till） my father came back.直到我父親回來我才上床睡覺。t work until he came 。但在It is ＋時間＋since從句的句型中，主句多用一般現(xiàn)在時。（五）在時間狀語從句中，當(dāng)主句是一般將來時或祈使句表示將來的意義時，時間狀語從句用一般現(xiàn)在時。原因狀語從句通常由because, since, as,for引導(dǎo)。回答由why提出的問題，只能用because。如：Why aren39。 Take your raincoat in case it rains (should rain). 帶上雨衣以防下雨。 ②從意思上看，目的狀語從句往往表示的目的很明確。He shut the window with such force that the glass broke. 他關(guān)窗子用力太大，玻璃都震破了。如：The hall is so big that it can hold 2,000 people.Mother lives so far away that we hardly ever see her.▲在由such…that引導(dǎo)的結(jié)果狀語從句中，such是形容詞，它修飾的可以是單數(shù)或復(fù)數(shù)可數(shù)名詞，也可以是不可數(shù)名詞；名詞前面可以帶形容詞，也可不帶。如：Soon there were so many deer that they ate up all the wild roses.He has so little time that he can’t go to the cinema with you.▲so...that...句型的否定形式可用簡單句too...to...或not...enough to代替。t e unless I telephone. 除非我打電話，否則你別來。如：Hurry up, or you’ll be late.=If you don’t hurry up, you’ll be late.Study hard and you will pass the exam.=If you study hard, you will pass the exam.①引導(dǎo)讓步狀語從句的從屬連詞主要有although, though, even though，even if（即使），如：The speech is good, though it could be better. 這次演講不錯，雖然還可以再好一點(diǎn)。t agree with each other, we continue to be friends. 盡管我們意見不同，我們還是朋友。Whoever you are, you can39。如：Teacher as he is, he can39。從意思上看，從句應(yīng)是一個條件狀語從句，在這四個選項(xiàng)中只有if能引導(dǎo)條件狀語從句，所以選A。 of us knew what had happened _______ they told us about it. A. when B. until C. after D. though答案：B。 hope you’ll enjoy your trip, dear! Thank you, mum. I’ll give you a call _________ I get there. A. until B. as soon as C. since D. till答案：B。5. Scientists say it may be a few years ____it is possible to test the new medicine on patients. (2010，無錫) 　 答案：C。 6. We will have no water to drink _______we don39。s note. 　　 答案：B。” because因?yàn)?，since既然，although盡管，but但是。before 在……之前，不符合邏輯；until直到，不能與短暫性動詞(give)連用；because因?yàn)椋环线壿?；as soon as 一……就，符合句意。故選D。 to D. very。 l 課堂鞏固練習(xí)A組根據(jù)中文意思完成下列英語句子1. 不管他跟我開什麼玩笑，我都不生氣。 The sevenyearold girl likes playing the piano ______ ______ ______ she has keptpracticing for two years.6. 雖然她很忙，他還堅(jiān)持自學(xué)英語。 ______ ______ ______ _____ _______ to protecting the environment, the world will bee much more beautiful.10. 李明昨天沒來上學(xué)，因?yàn)樗×恕?that。 while C. on the point of。 with B. When。 when B. that；when C. which；where D. where；when ( )20. It will be five years ______ we meet again.　 A. since B. Until C. before D. when ( )21. Never lose heart ______ difficulty you may meet with. A. what B. whatever C. how D. however( ) 22. ______ we are allowed ______ , we can’t drink any beer. 　 A. As long as。 doing so( )23. You can still find bones of the birds ______ they used to live. A. in which B. in the place C. where D. that( )24. How can they learn anything ______ they spend all their spare time watching TV? A. where B. when C. while D. but( )25. _____ I admit that there are problems, I don’t agree that they cannot be solved. A. While B. If C. As D. Unless答案與思路分析： 1. A. 因?yàn)間ave后面已經(jīng)有表示物的直接賓語了，排除代詞A、C、和D。 3. B. 因?yàn)閍s引導(dǎo)讓步狀語從句，要求將從句的表語或狀語等放到句首。 7. C. 因?yàn)閚o matter后一定要接疑問詞或whether。 10. A. 句意是：雖然他認(rèn)為他在幫我們做工，但事實(shí)上他是在擋事。 14. A. 只有先A，前后意義才通：even if即使、縱然；so that為了、以便；as if. 好象；ever since從(那時)到現(xiàn)在。 17. C. 因?yàn)閚ow that =since“既然”。 21. B. 因?yàn)閣hatever = no matter what引導(dǎo)一個讓步狀語從句，并作difficulty的定語。句意是：在它們過去居住的地方，你仍然可以找到鳥的骨頭。　　My son Joey was born with club feet. The doctors said that with treatment he would be able to walk, but would never run very well. The first three years of his life was 1 in hospital. By the time he was eight, you wouldn39。t tell him he probably would never make the team, so he didn39。 (2) How bad the consequences if the event occurs. Experts think an asteroid big enough to destroy lots of life might strike Earth once every 500,000 years. Sounds pretty rare but if one did fall. It would be the end of the world. “If we don’t take care of these bid asteroids, they’ll take care of us,” says one scientist. “it’s that simple.”　　The cure, though, might be worse than the disease. Do we really want fleets(艦隊(duì)，車隊(duì)) of nuclear weapons sitting around on Earth? “the world has less fear from doomsday(毀滅性) rocks than from a great nuclear fleet set against them.” Said a New York Times article.　( )1. What does the passa