Module 5 A Lesson in a Lab grammar

文档属性

名称 Module 5 A Lesson in a Lab grammar
格式 rar
文件大小 158.4KB
资源类型 教案
版本资源 外研版
科目 英语
更新时间 2009-11-19 21:21:00

图片预览

文档简介

课件15张PPT。Grammar原级比较句式1.表示一方与另一方相等时as+adj/adv.+as+B
My brother is as old as you.
2.表示一方不如另一方时
1)not as/so+adj./adv.+as +B
财富不如健康重要
Wealth is not as/so important as health.
2)not+ 比较级+than+B
Wealth is not more important than health.
3)less+原级+than+B
Wealth is less important than health.
辨析:
We have learnt no more than 20 new words this week.
我们这周仅仅只学了20个新词
We can learn not more than 20 new words this week.
我们这周最多能学20个新词
no more than
not more than仅仅 不超过= at most 至多 最多
She is no more careful than he is.
She is not more careful than he is.
no more …than… 和… 一样不….
not more … than…=not so… as
不像…那样她和他一样都不细心她不如他细心3.表示一方超过另一方多少时,用
相差数额+比较级+than+B
This building is 10 meters higher than that one.
比较级+than+B+by+相差数额
This building is higher than that one by 10 meters.
Grammar Winter is coming. It’s getting colder and colder.
The girl becomes more and more beautiful.(1) “比较级+and+比较级”表示“越来越……” 比较级 “the + 比较级(+主语+谓语),the +比较级+
(主语+谓语)” 表示“越…,就越……”The busier my mum gets, the happier she is.
The more you read, the more knowledge you will get. 3 She is more shy than cold.
与其说她冷漠倒不如说她害羞
He is more nervous than stupid.
more… than… 与其说…倒不如说…
4 more than +主语+can do
非…所能, …不能
The question is more than I can answer。
我不能回答这个问题
This passage is more than I can understand.5.比较级放在否定句中表示最高级
eg. I can’t agree with you more我非常同你
The film can’t be any worse
这部电影是最糟的
6. can’t/can never be +too +adj.
无论怎么…也不会过分 越…越…
eg. While crossing , you can’t be too careful .
过马路时,你越小心越好。 7 在比较级结构中应避免与包括自身在内的对象进行比较,结构常为:
比较级+ than+

他比班上所有其它的同学高。
He is taller than
any other student in his class.
all other students in his class.
any of the other in his class.
anyone else in his class
any other + 单数名词 all the other + 复数名词 anyone else any of the other + 复数名词8 比较等级的程度状语
1)表一方比另一方…得多时,比较结构前加much, far, by far, a lot, a great deal
疑问句中用any.
eg. He did much better than I in English.
He is taller by far than his brother
He is by far the taller of the two brothers.
他比他兄弟高多了
The book is by far the most interesting one.2)表一方比一方“一点点”, 常用 a bit, a
little, slightly 来修饰
eg. He came a little earlier than I this morning.
3) 表示更,甚至时用even, still, yet修饰
eg. He works even harder than before.
倍数表达法The brown house’s windows are twice as
wide as those of the white house.
This room is three times as large as that one.(1) A +谓语+ 倍数+as+形容词/副词原级+as + B
倍数表达法The white box is four times deeper than
the black box.
This road is twice longer than that one.
The plane flew nine times higher than
the kite.
(2) A +谓语+ 倍数+形容词/副词的比较级+than + B
倍数表达法The red building is twice the height of the grey building.
Our school is three times the size of yours.
The street is four times the length of that one.(3) A +谓语+ 倍数+the size (length, width, height, depth) +of + B