新概念英语第一册112课课件PPT课件

1、聚焦形容词的级第1页/共38页形容词和副词的级形容词和副词的级形容词和副词有三个等级： 原级、比较级、最高级原级：即形容词和副词的原形。 small, good, pretty, big, many hard, happily, slowly, 第2页/共38页 形容词原级的用法形容词原级的用法1、very、so、quite、too等词 后用原级The boy is too young .2、 as as 中间用原级(表示A与B在某方面相同时用原级)English is as interesting as Chinese .3、not so/as as 中间用原级（表示A与B在某方面不相 同时

2、）This book isnt so new as that one .4、倍数+asas中间用原级.times as形容词原级as.This table is 3 times as big as that oneA+系动词/ 行为动词+ as+形容词/ 副词原级+ as +B I study English as hard as my brother.第3页/共38页2.比较级：两个人或物之间的比较。标志词：than (比） 第4页/共38页1.1. 形容词比较级和最高级的构成 ：单音节形容词、副词的构单音节形容词、副词的构成方法成方法原级比较级最高级一般在词尾加一般在词尾加-er 或或-e

3、st tall taller tallest以字母以字母e结尾的单词加结尾的单词加-r 或或-st nice fine nicer finer nicest finest 以以“辅音字母辅音字母+y”结尾的双音节词，先改为结尾的双音节词，先改为i,再加再加-er或或-estearly heavy earlier heavier eariest heaviest规则变化第5页/共38页more carefullymorebeautifulthinnerbiggerhottermostcarefullymostbeautifulthinnestbiggesthottestcarefully bea

4、utiful多音节词或少数双音节词，在词前加more 或 mostthinbighot重读闭音节词尾只有一个辅音字母时，应先双写这个辅音字母，再加-er或-est第6页/共38页第7页/共38页1、比较级+thanShe is fatter than he.He is thinner than she.第8页/共38页2 2、表示越来越时：、表示越来越时：比较级比较级+and+and+比较级比较级，当形容词为多音节词或，当形容词为多音节词或部分双音节词，用部分双音节词，用more and more and more +more +形容词原级形容词原级 In spring, the days a

5、re getting longer and longer. I find the price of house is more and more expensive. 第9页/共38页3 3、 表示两者之间的选择，哪一个更.可使用“Which/Who + +be+be+ 比较级，A Aor B?” Which is longer, this one or that?Who is taller, Mary or Jane?第10页/共38页4.表示“几倍于.”时，用.times形容词比较级than.This table is 2 times bigger than that one.第11页/共

6、38页5.表示“越.越.时”用“the+比较级，the+比较级”The more you talked，the less attention he paid to you.你说得越多，他越不注意你。你说得越多，他越不注意你。第12页/共38页6.表示“两者之间比较.的一个（of the two ）”时，常用the比较级比较级of the two名词：名词：The taller of the two boys is my brother. 这两个男孩中较高的是我弟弟。这两个男孩中较高的是我弟弟。第13页/共38页7.比较级的修饰语常见的有：比较级的修饰语常见的有：much，still，even，

7、far，a lot，a little，a great deal，by far，a bit，等。The students study even harder than before.第14页/共38页比较级必须在同类中进行，即人与人比，物与物比，而且比较结构前后的词语要对称，特别注意在than或 as 之后不要漏掉可能出现的替代词 that ，those, one ,ones. The new building is higher than the old one.Those apples are bigger than these ones.第15页/共38页如果主语是物主代词+名词，那么后面

8、要用名词性物主代词。His shirt is more expensive than mine.than前后句子的时态相同。通常用be动词情态动词can, may, must, could, should和助动词do, does ,did, will，have等来简答。Kate is more beautiful than Lily is. She is five years older than I am.第16页/共38页比较的对象不能相互包容，注意：比较的对象不能相互包容，注意：比较级比较级+than+any other+单数the other+复数/the others第17页/共38

9、页 最高级：三个或三个以上的人或物之间 的比较。形容词的最高级前要用the第18页/共38页1 1、the 最高级最高级+ +of (in)Hong JinbaoZheng ZeshiNuttyNutty is the fattest of the three.第19页/共38页Lu Xun is one of the greatest writers last century.The Yellow River is the second longest river in China. 2 2、表示、表示“最最之一之一”和和“第第个最个最”时时one of +最高级最高级+名词复数名词复数th

10、e first/second/third+最高级最高级+名词单数名词单数+（inof短语）短语）。第20页/共38页3.表示在三者或三者以上的人或物进行选择时Which/Who is the + 最高级,A ,B or C ?Who is the tallest, Jim , Mike or Tom 第21页/共38页4.This is the + 最高级 + 名词 (that) I have ever seen/listened.This is the best film that I have ever seen .第22页/共38页形容词最高级前可以加序数词，表示“第几最.“主语+ be

11、 +the + 序数词 +最高级 +单数名词 + 范围, 表示是.的第几。She is the second tallest student in our class. 她是我们班第二高的学生。第23页/共38页 当最高级前有物主代词修饰时，其前不加 定冠词the. Its our largest machine in our factory. 第24页/共38页Make Comparisons1.Write down the comparatives and the superlatives of these wordsbignicelongnewcheapyounglatesafethir

12、sty heavyeasyhardhighfewoldthinexpensiveinterestingcarefullyquicklygoodbadlittlefarmany/much第25页/共38页 A: Look at Picture A. Is the red apple sweeter than the green one ?B: No, it isnt . The red apple is as sweet as the green one . Work in pairs第26页/共38页A: Look at Picture K. Is the white handbag newe

13、r than the black one ?B: No, it isnt . The white handbag is not as new as the black one .Work in pairs第27页/共38页 1 A: These shoes are uncomfortable . What are yours like ? ( any others/ ever worn) B: _ _ _2. A: This second race is exciting . What do you think ? ( first race / ever seen ) B: _ _ _They

14、re more uncomfortable than any of my others .I think theyre the most uncomfortable shoes Ive ever worn .Its more exciting than the first race .I think its the most exciting race Ive ever seen .Compare dialogues .第28页/共38页 3. A: What did you think of the test ? Was it difficult ? ( less difficult oth

15、ers/ ever had ) B: _ _ 4. A: I think Londons interesting . What do you think ? ( many other cities / been to ) B: _ _ Its less difficult than the others .I think its the least difficult test Ive ever had . Its more interesting than many other cities .I think its the most interesting city Ive been to

16、 .第29页/共38页1.Toms 120cm tall . His sister , Jane ,is 120cm tall , too . And Bob is 130cm tall . Jane _ _2. The Maths test was difficult . The French test was difficult, too. The English test was the most difficult . The French test _ _ is as tall as her brother , Tom, but she isnt as tall as Bob. wa

17、s as difficult as the Maths test , but it wasnt as difficult as the English test .Compare these using (not) as as.第30页/共38页3. Penny is 10 years old . Gary is 10 , too . Sandra is 12 years old . Gary _ _4. The yellow apples are sweet . The green ones are sweet , too . The red ones are the sweetest .

18、The green apples _ _ is as old as Penny , but he isnt as old as Sandra. are as sweet as the yellow ones , but they arent as sweet as the red ones .第31页/共38页一、用所给动词的适当形式填空一、用所给动词的适当形式填空 Millionaires not (buy) things on installments.dobuy 二、选择填空 ( ) 1. Thats too expensive. We cant _it. A. pay B. cost

19、C. afford D. spend ( ) 2. I dont like this book. This is_ book I have never read. A. the most interesting B. the least interesting C. the less interesting D. the more interestingC B 第32页/共38页 ( )3. 1,283,586 is_. A. one million, two hundred and eighty-three thousand, five hundred and eighty-six B. o

20、ne million ,two hundred and eighty-three, five hundred and eighty-six C. one million ,two hundred and eighty-three thousand, five hundred eighty-six D. million ,two hundred and eighty-three thousand ,five hundred and eighty-six A 第33页/共38页三、句型转换三、句型转换1.Thats too expensive for us. We cant afford it. ( (两两句合并为一句句合并为一句) ) Thats too for us afford.2. This model is less expensive than that one.( (变为同变为同义句义句) ) This model is not as that one.3. This is the least interesting book.