【正文】 意：如果同時(shí)出現(xiàn)，用when 位置：狀語的位置比較靈活，可以位于句首、句末或句中。才”（由副詞充當(dāng)引導(dǎo)詞）：immediately, directly, instantly,(一...就...)soon after, shortly after sooner…than…, hardly… when…, scarcely…when/before.(一…就…)用法:（1）中間用過去完成時(shí)，后面用一般過去式。如： When I was a boy, I used to go to the seashore on Sundays.（同時(shí)）When the lesson was over, we began our writing.（從句動(dòng)作在前）When 的四個(gè)短語 be about to do sth when … 正要做。這時(shí)(2)否定句不用till，用until，短語“not …until..”直到。七 讓步狀語從句（主將從現(xiàn)）引導(dǎo)詞：though, although, as(盡管，雖然), even if, even though（即使）, while（然四 原因狀語從句而，盡管，一般用在句首）whever, no matter wh, whether…or…(不管。以至于…)than(不同程度的比較)…that… 與such…that… 的區(qū)別 so +adj./adv.+that so +adj.+a/an +可數(shù)名詞單數(shù)+ that so +many/much/few/little+名詞+that eg ：It is so interesting a book that she has read it twice such +a/an+adj.+可數(shù)名詞單數(shù)+that such +adj.+可數(shù)名詞復(fù)數(shù)/不可數(shù)名詞+that such +a lot of/lots of +可數(shù)名詞復(fù)數(shù)/不可數(shù)名詞+that特殊引導(dǎo)詞：the 比較級。）九 方式狀語從句引導(dǎo)詞: as(象….一樣,正如),as if/as though(好像,似乎)how/however +adj/adv +主語+謂語（體現(xiàn)時(shí)態(tài)），the way（像。連詞角度主從句的邏輯關(guān)系兩個(gè)句子的關(guān)系并列句 知識(shí)鏈1。主從句位置角度可前可后 5。狀語從句一般分為九大類（見下表）1．時(shí)間狀語從句：在時(shí)間狀語從句中，要注意時(shí)態(tài)一致，一般情況下主句是將來時(shí)的時(shí)候，從句要用一般現(xiàn)在時(shí)。While I am washing the floor, you can be cleaning the windows.（while含有對比的意思）我洗地板的時(shí)候，你可以擦窗戶。(2)表示先時(shí)或后時(shí)，即主句的謂語動(dòng)作發(fā)生在從句之前或之后，主要連詞有：after（在……之后）, before（在……之前）, when(=after)等。(注意before在漢語中的譯義)(3)表示習(xí)慣性、經(jīng)常性，即從句描述的不是一次性動(dòng)作，而是經(jīng)常發(fā)生的習(xí)慣性動(dòng)作。Every time I went to his house, he was ，他都出去了。The big clock which used to strike the hours day and night was damaged during the war and has been silent ever since.(ever since可以放在句末，since則不能)這只一向日夜不停打點(diǎn)報(bào)時(shí)的大鐘在戰(zhàn)爭中損壞了，從此就一直不響了。2． 地點(diǎn)狀語從句地點(diǎn)狀語從句是由where（在……的地方）, wherever（無論哪里）引導(dǎo)的： Wuhan lies where the Yangtze and the Han River 。3．原因狀語從句表示原因的狀語從句可以由as（由于）, because(因?yàn)?, since（既然）, now(that)（既然）, considering that（顧及到）, seeing that（由于）等連詞引導(dǎo)：I do it because I like 。As she was ill, she didn’t e to the ，她沒來參加晚會(huì)。School was closed early in order that the children might go home ahead of the 。What has happened that you all look so excited? 發(fā)生了什么事，使你們都顯得如此興奮？He didn’t plan his time well, so that/so he didn’t finish the work in ，結(jié)果沒按時(shí)完成這項(xiàng)工作。但是，當(dāng)名詞前有many, much, few, little(少)修飾時(shí)，要用so,不能用such。6． 條件狀語從句表示條件的狀語從句可以由if（如果）, unless（除非）, in case（萬一）, so /as long as（只要）, as/ so far as（就……而言）, on condition that（條件是……）, suppose（假設(shè)）, supposing（假設(shè)）（僅用在問句中）等詞或詞組引導(dǎo)。If you leave at 6 o’clock tomorrow morning, you’d better get to bed ，你最好現(xiàn)在就上床。Suppose/Supposing we can’t get enough food, what shall we do?假設(shè)我們弄不到足夠的食物，那我們怎么辦？7． 方式狀語從句方式狀語從句常由as（與……一樣）, as if（仿佛）, as though（仿佛）等詞引導(dǎo)：Do in Rome as the Romans 。Our country is as big as the whole of 。如：We won’t be discouraged even if(=even though)we fail ten 。Don’t let them in, whoever(=no matter who)they ，別讓他們進(jìn)來。(though 也有這種用法，可以替換as,但although沒有這種用法)though還可以用作副詞，放在句末。ll tell would have succeeded if you had tried will fail unless you work hard.(=You will fail if you don39。as 和 since 表示明顯的、已知的原因，since 比 as 正式，如：They had to move because their building was to be pulled Mary was the eldest, she looked after the they live near the sea, they often go ． now that, seeing(that), considering(that), in that。t be any mistakes.)Clauses of Manner and Comparison(方式和比較從句)方式從句主要由 just as, as, as if, as though 等連詞引導(dǎo)，如：He doesn39。）As(So)far as I know, he is an honest man.（據(jù)我所知，他是一個(gè)誠實(shí)的人。）。）Rather than get money in such a dishonest way, he would beg in the streets.（他寧可沿街乞討，也不愿意用欺騙手段騙取錢。）What blood vessel is to a man39。now that 有“時(shí)間”含義，表示”既然”，說明一種新情況；seeing(that)和 considering(that)有“條件”含義；in that 有”某一方面”含義，如：Now that you are well again you can (that)they are just beginners, they are doing quite a good was lucky in that I was able to find a good babysitter（保姆）.結(jié)果從句常用 so that, so...that, such...that, that 等連詞引導(dǎo)，如：I was caught in a shower, so that all my clothes got was so tired that I could hardly keep my eyes was such a good runner that I couldn39。t remember all the 表示兩個(gè)人或兩件事之間的對比，常用 while 或 whereas 引導(dǎo)，如：He is idle, while his brother is people like fat meat, whereas others hate of Cause, Result and Purpose(原因、結(jié)果和目的從句)原因從句主要由下列從屬連詞引導(dǎo)：1． Because, as, since。I enjoyed it, though=It was hard work, but I enjoyed ，但是我喜歡干。連詞as也可以引導(dǎo)讓步狀語從句，但從句中要用特殊語序。(though, although不能與 but連用)Whether you believe it or not, it’s ，這是真的。The busier he is, the happier he feels.（常見句型）他越忙越開心。She stood at the door as if(=as though)she were waiting for ，仿佛在等人似的。As/So far as I know, he is an expert on ，他是一個(gè)DNA專家。As/So long as we don’t lose heart, we’ll find a way to overe the ，我們就能找到克服困難的方法。He has so few friends that he often feels ，所以經(jīng)常感到孤獨(dú)。（such是形容詞，后接名詞）The village is so small that it cannot be shown in the ，所以這地圖上沒有。（該從句中一般用情態(tài)動(dòng)詞should+動(dòng)詞原形，或省略should）Better take more clothes in case the weather is 。引導(dǎo)目的狀語從句的主要連詞有:that, so that（以便）, in order that（為了）, for fear that（以便）, in case（萬一）等，從句中常常使用一些情態(tài)動(dòng)詞，如：can, could, may, might, should等。Seeing(that)quite a few people were absent, we decided to put the meeting ，我們決定延期開會(huì)。You’d better make a mark where you have any questions.(這里where引導(dǎo)的從句不是定語從句)哪有問題，你最好在哪做個(gè)記號。Things went well until / till one night an accident ，直到有一天晚上發(fā)生了意外。如： It is just a week since we arrived here.（It is /was… since…是常用句型）我們到這兒剛剛一星期。例如：Whenever we met with difficulties, they came to help ，他們就來幫我們。He had learned English for three years before he went to London.（主句的動(dòng)作發(fā)生在從句的動(dòng)作之前，所以主句用了過去完成時(shí)）他去倫敦之前已學(xué)了三年英語。I’ll ring you up as so