Module5AlessoninalabGrammarPPT课件

1、M5Grammar第1页/共50页ObjectiveTo learn the comparative degrees of adj. and adv. 第2页/共50页语法讲解建议采用归纳法，如尽可能多的呈现一些相关例句，或可让学生从已学课文中找相应例句，引导学生试着从所观察到的语言现象中总结出语言规则和语法规律。第3页/共50页1. The earth is forty-nine times larger than the moon.2. It is less cold today than it was yesterday.3. The rent of our flat is gettin

2、g more and more expensive.Degrees of comparison Are you familiar with these sentences? They are all from the books we have learnt.第4页/共50页4. The more I see you, the more I miss you.5. The hotter, the better.6. The more he studies, the better he becomes.7. The red building is twice the height of the

3、grey building.8. Our school is three times the size of yours.第5页/共50页to test your sense of observationto test your ability of short-term memory to test your ability to highlight the language pointsGuess第6页/共50页1. The earth is forty-nine times _ the moon.2. It is _ cold today _ it was yesterday.3. Th

4、e rent of our flat is getting _.4. _ I see you, _ I miss you.5. The _, the _ .6. The _ he studies, the _ he becomes.7. The red building is _ the height of the grey building.8. Our school is _the size of yours.larger thanlessthanmore and more expensiveThe morethe morehotterbettermorebettertwicethree

5、times第7页/共50页1. I have _ (many) books than my brother.2. There is _ (little) bread in the box than in the fridge.3. In the English exam, I got the _ (many) points, but Beibei got the _ (few) points.Fill in the blanks.moreless mostfewest第8页/共50页4. Simon and Andy have _ (much) time than Daniel, Daniel

6、 has _ (little) time of the three.5. Yao Ming is the best player in the game. He scored the _ (many) points.6. Daniel made _ (many) mistakes than Kitty in the math homework, but he made _ (few) mistakes than Simon. Kitty made _ (few) mistakes of the three.morethe leastmost morefewerthe fewest第9页/共50

7、页以上我们已经通过归纳总结和练习对本课的语法内容有了一定的了解，下面就让我们根据之前练习的考察情况进一步选择讲解该语法项的重难点。第10页/共50页一.形容词和副词比较等级的用法a. Dick is as tall as his brother.b. Tom speaks as quickly as his cousin. c. I have never seen a person as/so clever as he is.1. 原级比较：表示两者程度相同。用 “as+形容词/副词+as” 结构表示，否定形式为：not as/so+形容词/副词+as。如：第11页/共50页2. 比较级：1）

8、表示A超过B。此时使用形 容词和副词的比较等级。a. Our classroom is brighter than yours. b. Dogs run faster than rabbits. c. I dont think math is more important than physics.第12页/共50页2）表示A不如B，用“less+形容词/副 词的原级”表示。如：a. Rabbits ran less fast than dogs. b. Jenny is less clever than her sister. c. It rains less often here in a

9、utumn than in spring.第13页/共50页3. 形容词和副词比较级的特殊用法： 1）越来越，如：a. You are growing taller and taller. 你越长越高了。b. English is becoming more and more important. 英语越来越重要了。第14页/共50页2）越，越，如： a. The harder you push, the more quickly that cart will move. 你越使劲推，车就跑的越快。 b. The more careful you are, the better you wil

10、l do in the exam. 你考试越仔细，就会考得越好。 c. The more you practice, the more fluently you will speak. 你练得越多，讲得就越流利。第15页/共50页3）表示两者之中比较的一个， 用of 引导，比较级前加上the。 a. Jack is the taller of the two brothers. 杰克是兄弟俩中较高的一个。 b. This is the bigger of the two rooms. 这个房间是两个中较大的一个。第16页/共50页4）no more than 表示“只；不超过； 不多于”，相当

11、于only。如： a. His whole school added up to no more than one year. 他所接受的学校教育不超过一年。 b. She has no more than one yuan in her pocket. 她兜里只有一块钱。第17页/共50页5）no morethan 表示“一样 不”；而not morethan 则表示 “不那样”，相当于 “not so as”。a. He is feeling no better than yesterday. 他觉得不比昨天好多少。b. She is not more generous than her

12、younger sister. 她不像她妹妹那样慷慨大方。 = She is not so generous as her younger sister. 第18页/共50页6）no less than 表示“多达，至少，起 码”，相当于as much/many as，蕴含 这个数是大的；而not less than 表示 “不少于”，不强调这个数的大小，只 说明数据本身。如： 蕴含“我的词典多”b. I have not less than ten dictionaries. 我拥有的词典不少于10本。 不含“我的词典多”的意思，只说明一 个事实。a. I have no less than

13、 ten dictionaries. 我起码有10本字典。第19页/共50页7）no lessthan 表示“不比差；与同样地”，相当于 “asas”。 如： She is no less beautiful than her sister. 她和她的姐姐一样漂亮。第20页/共50页8）不用比较级的形容词，如：senior, junior, superior, inferior等。 a. He is three years senior to me. 他比我大三岁。 b. Your knowledge of electronics is much superior to mine. 你对电子学

14、的知识远远超过我。第21页/共50页9）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， 说明比较级的程度。例如： a little, little, a bit, bit, a lot, a great deal, much, far, rather, even, slightly, by far, still, nearly, almost, any, just, () times第22页/共50页a. The moon is much smaller than the earth.b. The result of the experiment turned out to b

15、e even better than expected. c. Speak a bit more slowly, please.d. The output of the paper mill is three times higher than it was last year. 第23页/共50页10）比较级形容词或副词 + than 的注意事项： 要避免重复使用比较级。 He is more cleverer than his brother. He is more clever than his brother. He is cleverer than his brother. 要避免将

16、主语含在比较对象中。 China is larger that any country in Asia. China is larger than any other country in Asia.第24页/共50页 要注意对应句型，遵循前后一致 的原则。 a. The population of Shanghai is larger than that of Beijing. b. It is easier to make a plan than to carry it out.第25页/共50页 要注意冠词的使用，后有名词的 时候，前面才有可能有冠词。比较：a. Which is lar

17、ger, Canada or Australia?b. Which is the larger country, Canada or Australia?c. She is taller than her two sisters.d. She is the taller of the two sisters.第26页/共50页(1) “A + be + 倍数 + as + 形容词原级 + as + B”。 a. This tree is three times as tall as that one. 这棵树是那棵树的三倍高。 b. His father is twice as old as

18、he. 他父亲的年纪有他两倍大。 4. 形容词和副词比较级的倍数表达法用英语表达“A是B的N倍长（宽、高）”，“A 比 B 长（宽、高）N倍” 或“A 的长度（宽度、高度）是B的N倍”，可用下列几种句型。第27页/共50页a. The Yangtze River is almost twice longer than the Pearl River. 长江差不多比珠江长两倍。 b. The dictionary is exactly five times more expensive than that one. 这本字典比那本恰好贵5倍。 The newly broadened square

19、 is four times the size of the previous one. 新扩建的广场是未扩建时的四倍大。 (3) “A + be + 倍数 + the + 计量名词 + of + B ” (2) “A + be + 倍数 + 形容词比较级 + than + B ”第28页/共50页(4) “The + 计量名词 + of + A + be + 倍数 + that + of + B ” The size of the newly broadened square is four times that of the previous one. 新扩建的广场为以前的四倍大。 (5)

20、 其它 a. Im twice/double his age. 我的年龄是他的两倍。 b. The average income of the staff has been increased by 50 percent compared with last year. 与去年相比，该单位职工的收入增加了 50%。第29页/共50页复习形容词和副词的比较级：1. 倍数的表达法2. 比较级的三种用法： 1) 表示“越来越” 2) 表示“越，越” 3) 表示程度的副词(much, a little) +形容词或副词的比较级第30页/共50页1. That doesnt sound very fri

21、ghtening, Paul. Ive seen _. What did you like most about the film? A. better B. worse C. best D. worst2. 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 Exercises第31页/共50页3. He speaks English well

22、 indeed, but, of course, not _ a native speaker. A. as fluent 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 much第32页/共50页5. Mary kept weighing hersel

23、f to see how much _she was getting. A. heavier B. heavy C. the heavier D. the heavier6. 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 第33页/共50页7. As far as I am

24、concerned, education is about learning and the more you learn, _. A. the more for life are you equipped B. the more equipped for life you are C. the more life you are equipped for D. you are equipped the more life 第34页/共50页1. 期末考试总是比较难。 2. 阅读比烹饪有趣。3. 外语跟计算机科学一样实用。4. 你学得越多，你越是想学。5. 多多益善。 6. 亨利的书没有我的那

25、么多。汉译英第35页/共50页1. 期末考试总是比较难。 2. 阅读比烹饪有趣。3. 外语跟计算机科学一样实用。 The final exam is always more difficult.Reading is more interesting than cooking. Foreign languages are as practical as computer science. Answers第36页/共50页4. 你学得越多，你越是想学。5. 多多益善。 6. 亨利的书没有我的那么多。 The more you learn, the more you wish to learn.Th

26、e more, the better.Henry doesnt have so many books asI have.第37页/共50页Individual activity注: 另附 word 文档。点击此处链接第38页/共50页1. Ten years ago the population of our village was _ that of theirs. (2008 陕西) A. as twice large as B. twice as large as C. twice as much as D. as twice much as 第39页/共50页2. It is _ to

27、 spend money on preventing illnesses by promoting healthy living rather than spending it trying to make people _ after they are ill. (2008 江苏) A. good; good B. well; better C. better; better D. better; good 第40页/共50页3. I like this jacket better than that one, but it costs almost three times _. (2008

28、 浙江) A. as much B. as many C. so much D. so many 4. My uncles house in the downtown area is much smaller than ours, but it is twice _ expensive. (2009 四川) A. as B. so C. too D. very第41页/共50页5. Peters jacket looked just the same as Jacks, but it cost _ his. (2009 辽宁) A. as much twice as B. twice as m

29、uch as C. much as twice as D. as twice much as 第42页/共50页6. Mr. Black is very happy because the clothes made in his factory have never been _. (2010 全国II) A. popular B. more popular C. most popular D. the most popular7. Mr. Stevenson is great to work for I really couldnt ask for a _ boss. (2011 全国II) A. better B. good C. best D. still better第43页/共50页8. The film is, I have to say, not a b