高中英语 Module 5 A Lesson in a Lab Grammar课件 外研必修1

1、Grammar 一一. .形容词和副词比形容词和副词比 较等级的用法较等级的用法1）原级比较：表示两者程度相同。用）原级比较：表示两者程度相同。用句型句型as+形容词形容词/副词副词+as表示，否定名表示，否定名式为：式为：not as/so+形容词形容词/副词副词as。 如：如：Dick is as tall as his brother.Tom speaks as quickly as his cousin. I have never seen a person as / so clever as he is.2）比较级：）比较级：A. 表示表示A超过超过B。此时使用形容词和副。此时使用形

2、容词和副词的比较等级。如：词的比较等级。如：Our classroom is brighter than yours. Dogs run faster than rabbits. I dont think math is more important than physics.B. 表示表示A不如不如B。 用句型：用句型：less+形容词形容词/副词的原级表示。如：副词的原级表示。如：Rabbits ran less fast than dogs. Jenny is less clever than her sister. It rains less often here in autumn

3、than in spring.3）形容词和副词比较级的特殊用法）形容词和副词比较级的特殊用法A. 越来越越来越 如：如：You are growing taller and taller. 你越长越高了。你越长越高了。English is becoming more and more important.英语越来越重要了。英语越来越重要了。B. 越越， 越越 如：如：The harder you push, the more quickly that cart will move. 你越使劲推，车就越跑的快。你越使劲推，车就越跑的快。The more careful you are, the

4、better you will do in the exam. 你越小心，就会考得越好。你越小心，就会考得越好。The more you practice, the more fluently you will speak. 你练得越多，讲得就越流利。你练得越多，讲得就越流利。C. 表示两者之中比较表示两者之中比较的一个，用的一个，用of 引导，比较级前加上引导，比较级前加上the。 如：如：Jack is the taller of the two brothers.杰克是兄弟两中较高的一个。杰克是兄弟两中较高的一个。This is the bigger of the two rooms.

5、这个房间是两个中较大的一个。这个房间是两个中较大的一个。D. no more than表示表示“只；不超过；只；不超过；不多于不多于”，相当于，相当于only。如：。如：His whole school added up to no more than one year. 他所接受的学校教育不过一年。他所接受的学校教育不过一年。She has no more than one yuan in her pocket. 她兜里只有一块钱。她兜里只有一块钱。E. no morethan 表示表示“一样一样不不”；而；而not morethan则表示则表示“不像不像那样那样”，相当于，相当于“not

6、so as”。如：。如：Hs is feeling no better than yesterday.他觉得不比昨天好多少。他觉得不比昨天好多少。She is not more generous than her younger sister. 她不如她妹妹那样慷慨大方。她不如她妹妹那样慷慨大方。She is not so generous as her younger sister. 相当于：相当于：F. no less than表示表示“多达，多达， 那样那样多多; 至少至少, 起码起码”, 相当于相当于as much /many as, 蕴含这个数是大的；而蕴含这个数是大的；而not l

7、ess than表示表示“不少于不少于”, 不强调这不强调这个数的大小个数的大小, 只说明数据本身。如：只说明数据本身。如： I have no less than ten dictionaries. 我起码有我起码有10本字典。本字典。蕴含蕴含“我的词典多我的词典多”I have not less than ten dictionaries.我具有的词典不少于我具有的词典不少于10本。本。不含不含“我的词典多我的词典多”的意思，只说明的意思，只说明一个事实。一个事实。G. no less than表示表示“不比不比差；差；与与同样地同样地”， 相当于相当于“as as”。 如：如： She

8、is no less beautiful than her sister. H. 不用比较级的形容词如：不用比较级的形容词如：senior, junior, superior, inferior等。如：等。如： He is three years senior to me. 他比我大三岁。他比我大三岁。 Your knowledge of electronics is much superior to mine. 你对电子学的知识远远超过我。你对电子学的知识远远超过我。I. 比较级的修饰语。这些修饰语通常比较级的修饰语。这些修饰语通常为副词或短语，置于比较级前面，为副词或短语，置于比较级前面，

9、 说说明比较级的程度。这些词有：明比较级的程度。这些词有：a little, little, a bit, bit, a lot, a great deal, much, far, rather, slightly, by far, even, still, nearly, almost, any, just, ()times等。如：等。如：The moon is much smaller than the earth.The result of the experiment turned out to be even better than expected. Speak a bit mor

10、e slowly, please.The output of the paper mill is three times higher than it was last year. 二、英语中基数词、序二、英语中基数词、序数词、分数、小数和百数词、分数、小数和百分数的读法分数的读法1. 基数词的读法：基数词的读法：A. 先说先说“几十几十”， 再说再说“几几”，中间，中间用连字符。如：用连字符。如：23 89B. 先说先说“几百几百”， 再加再加and, ,再加末两位再加末两位数（或末位数）。如：数（或末位数）。如：223 416 809 twenty-three eighty-ninetwo

11、 hundred and twenty-threefour hundred and sixteeneight hundred and nineC. 1000以上的数先从后向前数，每三位数加以上的数先从后向前数，每三位数加一一“,”（千分位）；第一个（千分位）；第一个“,”号前为号前为thousand; 第二个第二个“,”号前为号前为million; 第三个第三个“,”号前为号前为billion。如：。如：1,001 4,000 9,743 174,301750,000,000 one thousand and onefour thousandnine thousand, seven hundr

12、ed and forty-threea (one) hundred and seventy-four thousand, three hundred and oneseven hundred and fifty million2. 序数词的读法序数词的读法序数词一般以与之相应的基数词加词序数词一般以与之相应的基数词加词尾尾-th构成，如：构成，如：tenth（第十），但下（第十），但下面这些基数词在变序数词时，面这些基数词在变序数词时， 有特别有特别的地方。如：的地方。如：A. one two three five eight nine twelvefirstsecondthirdfifthe

13、ighthninthtwelfthB. 以以-ty结尾的词，要先变结尾的词，要先变-y为为-i，再加，再加-eth。如：如：twenty fortyC. 以以one, two, three, five, nine收尾的多位数词，收尾的多位数词，要照第一条方法变。如：要照第一条方法变。如：twenty-one twenty-two thirty-five ninety-ninea hundred and fifty-three twentiethfortiethtwenty-firsttwenty-secondthirty-fifthninety-nintha hundred and fifty

14、-third基数词表示分子，序数词表示分母，基数词表示分子，序数词表示分母，除了分子是除了分子是“1”的情况外，序数词要的情况外，序数词要用复数。如：用复数。如： 2/3 7/9 5/12 one-fourthtwo-thirdsseven-ninthsfive-twelfthstwo and three-fifthsthirty and seven-eighths3. 分数词的读法分数词的读法2353078一些特殊的表达法一些特殊的表达法 a / one halfa / one quarterthree quarters4. 小数的读法小数的读法7.8 0.4 0.03 0.125 14.3

15、97 seven point eightzero point fourzero point zero threezero point one two fivefourteen point three nine seven5. 百分数的读法百分数的读法27% 45% 86% twenty-seven percent forty-five percent eighty-six percentExercise 1. That doesnt sound very frightening, Paul. Ive seen _. What did you like most about the film?

16、A. better B. worse C. best D. worst I. Choose the best answer.2. The number of people present at the concert was _than expected. There were many tickets left. A. much smaller B. much more C. much larger D. many more 3. He speaks English well indeed, but, of course, not_a native speaker. A. as fluent

17、 as B. more fluent than C. so fluently as D. much fluently than 4. It is reported that the United States uses _energy as the whole of Europe. A. as twice B. twice much C. twice much as D. twice as much5. Mary kept weighing herself to see how much _she was getting. A. heavier B. heavy C. the heavier D. the heavier 6. The house rent is expensive. Ive got about half the space I had at home and Im paying _here. A. as three times much B. as much three times C. much as three times D. three times as much 7. Our neighbour has_ ours. A. as a big house as B. as big a house as C