英语四级考试复习

　　大学四级考试怎么样?大学英语四级考试涉及的语法知识点多、涉及面宽，对不少考生来说都是一个难题，尤其是从句这一块儿的复习。下面对英语语法中的状语从句考点进行一下盘点，希望考生能对这部分语法有一个更好的掌握!下面就让小编为大家讲解一下吧。

英语四级考试复习

　　1.状语从句

　　状语从句：两个独立的句子中间用一些含义不同的连接词连接;状语从句用来表达两个句子之间的逻辑关系;分成原因状语、条件状语、结果状语、时间状语、地点状语、让步状语、目的状语、比较状语、方式状语等九大类型;

　　eg：I got up late.

　　I was late for school.

　　Because I got up late, I was late for school. (原因状语从句)

　　I got up late，so I was late for school. (结果状语从句)

　　1. 地点状语从句：

　　地点状语从句通常由where，wherever，everywhere 引导;

　　eg：Where I live there are plenty of trees.

　　Wherever you work, you will gain much valuable experience as long as you are willing to work.

　　Wherever=no matter where

　　Everywhere they went, they were warmly received.

　　Where there is a will, there is a way.

　　where：不能翻译成在……地方时，通常翻译为如果，表示在……条件下;

　　eg: Where you are confident，you will succeed.

　　eg：Where previously the bank had concentrated on the big infrastructure projects , such as dams, roads and bridges，it begin to switch to projects which directly improved the basic services of a country.

　　concentrated on ：集中于……

　　2.方式状语从句：

　　方式状语从句通常由as，as if，as though，the way，what引导;

　　eg：Always do to the others as you would be done by.

　　When enter rome do as the romans do.

　　(1)as从句带有比喻的含义，意思是"正如…"，"就像";

　　(2)as if/though："仿佛……似的"，"好像……似的";

　　有时用虚拟语气，有时不用;

　　eg：They completely ignore these facts as if (as though) they never existed. (与事实相反，谓语用虚拟语气。)

　　He looks as if (as though) he had been hit by lighting.

　　(与事实相反，谓语用虚拟语气。)

　　It looks as if the weather may pick up very soon.

　　(实现的可能性较大，谓语用陈述语气。)

　　(3)the way：可以连接两个句子，表达就像……一样;

　　eg：I should do the job the way my father did.

　　Many Europeans now apparently view the US. the way many Americans view Mexican as a cheap place to vacation, shop and party.

　　(4)what：就像，犹如;

　　eg：Air is to man what/as water is to fish.

　　句型：A is to B what C is to D.

　　eg：A1 Gore calls global warming an "inconvenient truth," as if merely recognizing it could put us on a path to a solution.

　　put sb. on a path to a solution：找到解决的办法;

　　3.目的状语从句

　　可以由that，so that，in order that，lest，for fear that，in case等词引导;

　　lest：以防，从句中的谓语动词必须用should+动词原形;

　　eg: He wrote the name down for fear that(lest) he should forget it.

　　He took the umbrella with him lest it should rain.

　　in case：以防，与lest不同，从句里的时态不做特殊变化;

　　eg：Take the umbrella with you in case it rains.

　　for feat that：和lest保持一致;

　　eg：A variety of activities should be organized so that participants can remain active as long as they want and then go on to something else without feeling guilty and without letting the other participants down.

　　let…down…：让……感到气馁。

　　4.结果状语从句

　　结果状语从句常由so… that 或 such…that引导;so保留，that可以省略;如此……以至于……;

　　eg：He didn't abide by the contract so that he was fined.

　　He was so excited that he couldn't fall asleep.

　　He made such an inspiring speech that everybody got excited.

　　比较：so和 such

　　(1)so：so +形容词、副词+that;so+形容词+a/an+名词+that;

　　eg：The wind was so strong that we could hardly move forward.

　　He run so fast that I couldn't catch up with him.

　　It was so hot a day that crops wilted.

　　He is so lovely a boy that everyone loves him.

　　(2)such：such+a/an+形容词+名词+that

　　eg：It was such a hot day that crops wilted.

　　He is such a lovely boy that everyone loves him.

　　5.比较状语从句：

　　than，as…as…，not so as…，(not) the same as，the+比较级;

　　eg：Light travels fast than sound.

　　the+比较级：

　　eg：The sooner，the better.

　　(1)当……的时候：while，when，as ;

　　when：强调一件事情正在发生的时候，另外一件事情突然发生;

　　eg：When I was watching TV, my mother came back.

　　while：强调两个动作同时进行，一边……一边……;

　　eg：My father is cooking while my mother is reading newspaper.

　　as："随时间推移"

　　eg：As time went by, the days became longer and longer.

　　(2)一……就……：as soon as，主将从现;用directly，immediately， instantly连接两个句子;一些名词如the minute，the moment，the instant也可表示;no sooner… than，hardly… when后面的句子需要倒装;

　　eg：I will write to you the moment/minute I arrived in Paris.

　　(3)特殊单词：by the time that，every/each time(使用时后面不要再加when)

　　(4)till&until：

　　① 肯定形式表示的意思是"做某事直至某时"，动词必须是延续性的;

　　否定形式表达的意思是"直至某时才做某事"，一般用until，动词为延续性或非延续性都可以;

　　eg: I slept until midnight.

　　Wait till I call you.

　　She didn't arrive until 6 o'clock.

　　② Until可用于句首，而till通常不用于句首，通常用于句中;

　　eg: Until you told me, I had heard nothing of what happened.

　　eg：As you sleep you pass through a sequence of sleep states—light sleep, deep sleep and REM (rapid eye movement) sleep—that repeats approximately every 90 minutes.

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