标签：高中英语语法资料大全,http://www.deyou8.com
高中英语语法归纳,
so（结果），so that（结果）,so... that/such... that（如此……以致），that（以致）等
It was very cold，so that the water in the bowl froze.天气很冷，碗里的水都结冰了
He is such a good student that we all like him.他是个好学生，我们都喜欢他：
(7)引导让步状语从句的从属连词：
though/although（虽然），as（虽然）,even if/even though（即使）,however（无论怎样），whatever（无论什么），whoever（无论谁），no matter how/what/which/...（无论多么／什么／哪一个……）等。
Even if you were here yesterday，you couldn't help him, 即使昨天你在这，你也帮不了他
Though he is old，he still works hard.虽然他老了，可是他还努力工作。
(8）引导方式状语从句的从属连词：
as（正如），as if/as though（好像，似乎）等
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He speaks English as if he were an Englishman.他讲起英语来就像是英国人似的
Use a book as a bee does a flower.像蜜蜂利用花一样去利用书籍吧：
(9）引导比较状语伏句的从属连词：
as（如…... ) , as... as. . .（像•••••一样），not so... as（与……不一样）,than（比）等
He works harder than before．他比以前更努力工作。
His elder sister is as tall as his mother.他姐姐和他母亲一样高
（四）部分连词的用法比较
1．when和while
两个词都可以表示“当……时”，引导时间状语从句when引导的时间状语从句的谓语动词既可以是延续性的，也可以是终止性的；while引导的时间状语从句的谓语动词只能是延续性的。
My brother came in when/while I had dinner.我弟弟进来时我在吃饭
The train had just started when we arrived at the station.我们刚到火车站火车就走了
He was doing his homework when I came in.（当）我进来时，他正在做家庭作业
I came in when/while he was doing his homework.当他在做家庭作业时，我走了进来
While/When I was in the town，I saw him twice.（当）我在城里时，见过他两次
Strike while the iron is hot．趁热打铁。．
when还可译作这时while还可译作“而”
He was playing football outside when it began to rain.
他在外面踢足球，这时开始下起雨来。
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He is tall while his elder brother is short.
他个子高，而他哥哥个子矮
2. because，since.和as
because引导的从句通常表示说话人认为听话人不知道的原因或理由，从句往往是整个主从复合句的重心。
He was annoyed because he missed the bus. 他感到为难是因为他没有赶上那班车
since和as表示原因时，往往表示人们显然已知的理由或原因；因此，侧重点是主句的内容，原因只作附带说明。在语气上，becausc最强，since次之（在意义上相当于汉语中的“既然”),as最弱
Since his method doesn't work，let's try yours. 既然他的方法不起作用，我们就试一试你的。
As she was in a bad mood，we left her alone. 由于她心情不好，我们不去打扰她了。
He is absent frorn school because he is ill. 因为他生病，所以他没来上课
Because/As it was wet，we went there by bus. 因为下雨，所以我们乘车去那儿。
Since everybody is here，let's begin. 既然大家都到了，我们就开始吧。
3.if和unless
引导条件状语从句的连词，主要是if和unless,由if条件状语从句可以是真实的条件句，也可以非真实条件句．真实条件句所表示的条件指的是事实，即可以是实现的事，非真实条件句指的是与事实相反或不大可能实现的事．
If it rains, the match will be cancelled（取消）． 如果天下雨，比赛将被取消
If I were you, l should consult（请……看病）a doctor. 我要是你，我就去看医生
If I had tried hard last term，I would have succeeded. 如果上学期我努力的话，我现在就已经成功了
unless在意义上相当于if... not
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You will fail unless you work harder. 除非你努力，否则你不会成功。
Do not come unless I call you. 我没叫你，你就不用来。
4. though和as
两个词都可表示“虽然”、引导让步状语从句though引导的从句用正常语序；as引导的从句要用倒装语序，即把从句中的表语、状语或动词原形放在as之前。
Cold as it was，he went on working.Though it was cold，he went on working. 尽管天气冷，可他仍继续工作
Child as he is，he knows a lot.Though he is a child，he knows a lot.
虽然他还是个孩子，可是他很懂事
Fast as you read，you can't finish the book in three days.
Though you read fast，you can't finish the book in three days.
尽管你读得快，你也不能在三天内读完这本书、：
Try as he might，he couldn't get rid of the difficulty.
Though he might try，he couldn't get rid of the difficulty.
不管怎样努力，他还是摆脱不了困难。
5 .if和whether
(1)表示“是否”时，两个词都能引导宾语从句
I wonder if/whether you can examine him now. 不知你现在是否可以给他检查一下。
［注意］①如果主句的谓语是短语动词用whether,而不用if.
Everything depends on whether we have enough money. 一切都取决于我们是否有足够的钱。
②某些动词（如discuss）后的宾语从句，用whether而不用if来引导。
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They discussed whether they should help her. 他们商议他们该不该帮助她。
③宾语从句移置句首时，用whether，而不用if
Whether it is true or not, I can't say．这是不是真的，我不敢说。
④宾语从句为否定形式时，通常用if, 而不用whether。
I asked her if he wouldn't come．我问她他是不是会来。
(2) if'可译作“如果”，引导条件状语从句
If I were you, I would not go．如果我是你，我就不去。
(3) whether可译作“不管，无论”，引导让一步状语从句
Whether he agrees or not，I shall do that. 不管他同意与否我都要做这事。
（4) whether可以引导主语从句、表语从句、同位语从句，接不定式．或接or not等（if则不能）
Whether he will come or not is unknown. 还不知道他来不来。（主语从句）
The question is whether it is worth doing. 问题是这件事是否值得去做
I have no idea whether he is there. 我不知道他是否在那里（同位语从句）
I don't know whether he will do it or not. 我不知道他是否会做这事。（接or not)
She hasn't decided whether to go or not，她还没有决定去还是不去。（接不定式）
六、知识*能力聚焦
1. by prep.
(1)表示“相差”，指增加或减少的程度
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The water level of the lake was going to rise by 63 metres.湖里的水位要升高63米
We defeated the opposing team by 3 runs (by a score of 5 to 2 )．我们以3分的优势（5比2)击败对方
(2)表示单位，“以……计、依据”( by后面的名词之前通常一要加定冠词）
I'm paid by the hour．我是按时计酬的
Is this cloth sold by the metre?‘这块布是按米出售的吗？
We can buy the eggs by the dozen.我们可以按打买鸡蛋
(3)by还可用于表达其他意义．
There is a tree by the water.水边有棵树（指离水近）
They are coming by the highway．他们正沿公路而来
I took your pen by mistake．我错拿了你的钢笔
The pool is 15 meters by 50 meters.这个游泳池长50米，宽15米、
Keep close by，or you will get lost.跟近一点，否则你会迷路的
What time is it by your watch？你的表几点了？
Have you read any books by Lu Xun?你读过鲁迅写的书吗？
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