外研版高中英语必修一《Module5 Grammar》课件

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1、P4 Grammar,Module 5 A Lesson in a Lab,Objective,To learn the use of Degrees of comparison,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 getting more and more expensive.,Are you familiar with these sentences? They are

2、 all that weve learnt.,4. The more I see you, the more I miss you. 5. The hotter, the better. 6. The more he studies, the better hebecomes. 7. The red building is twice the height of thegrey building. 8. Our school is three times the size of yours.,1. The earth is forty-nine times _ the moon. 2. It

3、is _ cold today _ it was yesterday. 3. The rent of our flat is getting _. 4. _ I see you, _ I miss you. 5. The _, the _ . 6. The _ he studies, the _ hebecomes. 7. The red building is _ the height of the grey building. 8. Our school is _the size of yours.,larger than,less,than,more and more,The more,

4、the more,hotter,better,more,better,twice,three times,expensive,go,Ready?,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.,more,less,most,fewe

5、st,4. Simon and Andy have _ (much) time than Daniel, Daniel 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) mista

6、kes of the three.,more,the least,most,more,fewer,the fewest,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。,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

7、词+as” 结构表示，否定形 式为：not as/so+形容词/副词+as。,形容词和副词比较级,2. 比较级： 1) 表示A超过B。此时使用形容词和副词的比较等级。,Our classroom is brighterthan yours. b. Dogs run faster than rabbits. I dont think math is more importantthan physics.,2) 表示A不如B，用“less+形容词/副词的原级”表示。,a. Rabbits ran less fast than dogs. b. Jenny is less clever than h

8、er sister. c. It rains less often here in autumnthan in spring.,二. 形容词和副词比较级的常见句型： 1）比较级 + and + 比较级 表示“越来越”,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。,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 c

9、areful you are, the better you will 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。,2) the + 比较级 + 句子其他成分，the + 比较级 + 句子其他成分：表示“越越”。,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。,

10、3) the + 比较级 + of the two：表示“两 个中比较的一个”。,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。,4）no more than 表示“只；不超过；不多于”，相当于only。,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 tha

11、n yesterday.他觉得不比昨天好多少。 b. She is not more generous than heryounger sister. 她不像她妹妹那样慷慨大方。= She is not so generous as her youngersister.,6）no less than 表示“多达，至少，起码”，相当于as much/many as，蕴含数量多；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。,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

12、的词典多”的意思，只说明一 个事实。,a. I have no less than ten dictionaries. 我起码有10本字典。,She is no less beautiful than hersister. 她和她的姐姐一样漂亮。,7）no lessthan 表示“不比差；与同样地”，相当于 “asas”。,8）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,

13、still, nearly, almost, any, just, () times,The moon is much smaller than theearth. b. The result of the experiment turned outto be even better than expected. c. Speak a bit more slowly, please. d. The output of the paper mill is threetimes higher than it was last year.,a. This tree is three times as

14、 tall as that one.这棵树是那棵树的三倍高。 b. His father is twice as old as he. 他父亲的年纪有他两倍大。,三. 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。 (1) “A + be + 倍数 + as + 形容词原级 + as + B”。,The Yangtze River is almost twicelonger than the Pearl River. 长江差不多是珠江的两倍长。 b. The dictionar

15、y is exactly five times more expensive than that one. 这本字典比那本恰好贵5倍。,(2) “A + be + 倍数 + 形容词比较级 + than + B ”,The newly broadened square 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 ”,The size of the newly broadened square is four times that of the

16、 previous one. 新扩建的广场为以前的四倍大。,(4) “The + 计量名词 + of + A + be + 倍数 + that + of + B ”,(5) 其它a. Im twice/double his age. 我的年龄是他的两倍。 b. The average income of the staff hasbeen increased by 50 percent comparedwith last year.与去年相比，该单位职工的收入增加了50%。,注意事项： 要避免重复使用比较级。He is more cleverer than his brother.He is

17、more clever than his brother.He is cleverer than his brother.要避免将主语含在比较对象中。China is larger that any country in Asia.China is larger than any other countryin Asia.,要注意对应句型，遵循前后一致的原则。a. The population of Shanghai islarger than that of Beijing.b. It is easier to make a plan thanto carry it out.,注意事项：,要

18、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 larger, Canada or Australia? b. Which is the larger country, Canadaor Australia? c. She is taller than her two sisters. d. She is the taller of the two sisters.,注意事项：,1. That doesnt sound very frightening, Paul. Ive seen _. What did you like most about the

19、film? A. better B. worse C. best D. worst 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,. Choose the best answers.,Practice,3. He speaks English well indeed, but, of course, not _a native spe

20、aker. 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,5. Mary kept weighing herself to see how much _she was getting. A. heavier B. h

21、eavy 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. As far as I am concerned, education is about learning and the more you lea

22、rn, _. 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,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么多。,.汉译英,The final exam is always more difficult.,Reading is more int

23、eresting than cooking.,Foreign languages are as practical as computer science.,The more you learn, the more you wish to learn.,The more, the better.,Henry doesnt have so many books as I have.,Review,复习形容词和副词的比较级： 1. 比较级的用法 2. 比较级的常用句型 3. 倍数的表达法,1. Mr. Stevenson is great to work for I really couldnt

24、ask for a _ boss.A. better B. good C. best D. still better 2. The new stadium being built for thenext Asian Games will be _ thepresent one. A. as three times big as B. three times as big asC. as big as three times D. as big three times as,实战高考,3. Youd be exposed to a lot _pollution if you moved to a

25、 town withpure water and air. A. more B. most C. less D. least 4. How was your recent trip to Sichuan? Ive never had _ one before.A. a pleasant B. a more pleasant C. a most pleasant D. the most pleasant,5. This restaurant wasnt _ that other restaurant we went to.A. half as good as B. as half good as

26、C. as good as half D. good as half as 6. Its said that the power plant is now _ large as what it was.A. twice as B. as twiceC. twice much D. much twice,Complete the passage with the correct form of the words.,For many people, life is a lot easier today. Medicine and diet are improving _ (quickly), a

27、nd people are getting _ (healthy) and living _ (long). But the area of life that is changing _ (quickly) of all is communication. Fifty years ago, computers were much _ (big) and _ _ (powerful) than they are now.,more quickly,healthier,longer,(the) most quickly,bigger,less powerful,Today, we use the

28、 Internet, so we can communicate _ (easily) with friends all over the world.Not all the changes are _ (good) ones. More people drive cars instead of riding bikes, so they arent as _ (fit) as they were. Traffic doesnt just make the roads _ (crowded), it also makes pollution _ (bad) .We must all think _ (carefully) about how we can use _(little) energy. We must all work _ (hard) to reduce pollution.,more easily,good,fit,more crowded,worse,carefully,less,harder,Homework,Do the exercises of Grammar 1&2 on Page 43&47.,