初中英語語法狀語從句(精講).doc

狀 語 從 句 狀語從句在復(fù)合句中作狀語，修飾動(dòng)詞、形容詞或副詞等。狀語從句可以表示時(shí)間、條件、原因、地點(diǎn)、目的、結(jié)果、讓步、方式、比較等意義。知識(shí)梳理 各類狀語從句連接詞（短語）一覽表：時(shí)間when, while, as, as soon as, since自從, until直到, after, before條件If, unless除非原因As, because, since地點(diǎn)Where目的So that, in order that為了結(jié)果So that, sothat, suchthat讓步though, although, even if即使, however方式As 比較than, (not)asas, 時(shí)間狀語從句：Whenever he comes, he brings a friend. 他每次來都帶個(gè)朋友。條件狀語從句：As long as I am alive, I will go on studying. 只要我活著， 我就要學(xué)習(xí)。原因狀語從句：Since we live near the sea, we enjoy nice weather.由于我們住在海邊，能享受到好的天氣。地點(diǎn)狀語從句：Put it where we can all see it.把它放在我們都能看到的位置。目的狀語從句：Finish this so that you can start another.把這個(gè)做完，你可以開始另一個(gè)。結(jié)果狀語從句：He was so angry that he couldnt say a word. 他氣得說不出話了。讓步狀語從句：Though he is in poor health, he works hard.雖然他身體不好，但是他工作很努力。方式狀語從句：Students do as the teachers say.學(xué)生們按照老師說的去做。比較狀語從句：The work isnt as easy as I thought.這項(xiàng)工作比我想象得難。例題解析1、易混引導(dǎo)詞while, when, as的區(qū)別： （1）when既可以指“時(shí)間點(diǎn)”,與瞬間動(dòng)詞連用，也可以指“時(shí)間段”，與延續(xù)性動(dòng)詞連用（=while）。如：When he came in, his mother was cooking.When (While) we were at school, we went to the library every day.（2）While表示時(shí)間段,因此，while 從句的謂語動(dòng)詞要用延續(xù)性動(dòng)詞。如：Please dont talk so loud while others are working.（3）As與when用法相似，但著重強(qiáng)調(diào)主句動(dòng)作與從句動(dòng)作同時(shí)發(fā)生，有“隨著”或“一邊一邊”之意。如：As you get older, you get more knowledge.隨著年齡的增長，你獲得的知識(shí)就越多。2、Because, as, since 的區(qū)別：Because用于表示直接原因,回答why提出的問題，語氣最強(qiáng)；As用于說明原因, 著重點(diǎn)在主句，常譯成“由于”；since表示顯然的或已知的理由或事實(shí)，常譯成“既然”。如：Water is very important because we cant live without it.He didnt come yesterday as his mother was ill.Ill do it for you since you are busy.3suchthat, sothat, so that 引導(dǎo)結(jié)果狀語從句的區(qū)別：such是形容詞，修飾名詞; so 是副詞，修飾形容詞或副詞。其結(jié)構(gòu)如下：1) such + a (n)+ 形容詞+單數(shù)可數(shù)名詞+that2) such+形容詞+復(fù)數(shù)可數(shù)名詞+that 3) such +形容詞+不可數(shù)名詞+that。如：This was such a good film that I went to see it several times.It was such good books that they sell well.It was such bad weather that I had to stay at home.He spoke so fast that I couldnt follow him.He is such a lovely boy that we all like him.=He is so lovely a boy that we all like him.注：在“形容詞+可數(shù)名詞復(fù)數(shù)/不可數(shù)名詞”結(jié)構(gòu)中，當(dāng)名詞前有many, much, few, little表示數(shù)量的多少時(shí)，名詞前用so。如：She made so many mistakes that she didnt pass the exam.練習(xí)與鞏固選擇合適的連接詞，完成下列句子。1.Jim spends a lot of money on books _he is not rich. 2.Kate fell into sleep _she was listening to the music.3.-Is David at school today? -No. He is at home _he has a bad cold.4.We wont have supper _my mother comes back.5.Speak to him slowly _he may understand you better.6. _ she doesnt come on Sunday , Ill go fishing by myself.7.It is four years _I had left that small village.8. _the air moves , it is called wind.9.We will go to the park _it doesnt rain tomorrow.10._little boys did _much work. 11.There are few new words in the passage _we cant understand it.12.Go back _you come from.13.He reached the station _the train had left.14.-Do you have a swimming pool? -No, we dont. At least, not _big _yours.15.Give me your paper _you have finished it.16.It is raining hard, _we have to stay at home.17. _you work harder, youll never pass the final exam.18.The village is _far away _I cant get there on foot.19.That is _an interesting book _I cant stop reading it.Keys: 1. though 2.while 3.be