新概念英语第一册112课课件.ppt

1、,聚焦形容词的级,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,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） This book isnt so new a

2、s 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 one A+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.,2.比较级：两个人或物之间的比较。 表示“较”或“更一些”。 标志词：than (比）,1. 形容词比较级和最高级的构成 ：,规则变化,more,carefully,more,beautiful,thinner,bigger,hotter,most,carefully,most,b

3、eautiful,thinnest,biggest,hottest,carefully,beautiful,多,音节词,或少数,双音节词,，在词,前加,more,或,most,thin,big,hot,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,形容词副词比较级的常用句型,1、比较级+than,She is fatter than he.,He is thinner than she.,2、表示越来越时：比较级+and+比较级，当形容词为多音节词或部分双音节词，用more and more +形容词原级,In spring, the day

4、s are getting longer and longer. I find the price of house is more and more expensive.,3、表示两者之间的选择，哪一个更.可使用“Which/Who +be+ 比较级，Aor B?”,Which is longer, this one or that? Who is taller, Mary or Jane?,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.,5.表示“越.越.时”用“the+比较级，the+比

5、较级” The more you talked，the less attention he paid to you. 你说得越多，他越不注意你。,6.表示“两者之间比较.的一个（of the two ）”时，常用the比较级of the two名词： The taller of the two boys is my brother. 这两个男孩中较高的是我弟弟。,7.比较级的修饰语常见的有： much，still，even，far，a lot， a little，a great deal，by far，a bit，等。 The students study even harder than b

6、efore.,注意,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.,如果主语是物主代词+名词，那么后面要用 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,

7、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.,比较的对象不能相互包容，注意： 比较级+than+,any other+单数 the other+复数/the others,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,形容词副词最高级的常用句型,1、the 最高级+of (in),Hong Jinbao,Zheng Zeshi,Nutty,Nutty is the fattes

8、t of the three.,Lu Xun is one of the greatest writers last century. The Yellow River is the second longest river in China.,2、表示“最之一”和“第个最”时 one of +最高级+名词复数 the first/second/third+最高级+名词单数+（inof短语）。,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,4.This

9、 is the + 最高级 + 名词 (that) I have ever seen/listened. This is the best film that I have ever seen .,形容词最高级前可以加序数词，表示“第几最. “主语+ be +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。,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.,Make C

10、omparisons,Write down the comparatives and the superlatives of these words bignicelongnewcheap younglatesafethirsty heavy easyhardhighfewold thinexpensiveinteresting carefullyquicklygoodbad littlefarmany/much,A: Look at Picture A. Is the red apple sweeter than the green one ? B: No, it isnt . The re

11、d apple is as sweet as the green one .,Work in pairs,A: Look at Picture K. Is the white handbag newer than the black one ? B: No, it isnt . The white handbag is not as new as the black one .,Work in pairs,1 A: These shoes are uncomfortable . What are yours like ? ( any others/ ever worn) B: _ _ _ 2.

12、 A: This second race is exciting . What do you think ? ( first race / ever seen ) B: _ _ _,Theyre 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 d

13、ialogues .,3. A: What did you think of the test ? Was it difficult ? ( less difficult others/ 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

14、more interesting than many other cities . I think its the most interesting city Ive been to .,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 . Th

15、e French test _ _,is as tall as her brother , Tom, but she isnt as tall as Bob.,was as difficult as the Maths test , but it wasnt as difficult as the English test .,Compare these using (not) as as.,3. Penny is 10 years old . Gary is 10 , too . Sandra is 12 years old . Gary _ _ 4. The yellow apples a

16、re sweet . The green ones are sweet , too . The red ones are the sweetest . 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 .,一、用所给动词的适当形式填空 Millionaires not (buy) things on installments.,do,buy,二、选择填空

17、( ) 1. Thats too expensive. We cant _it. A. pay B. cost 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 interesting,C,B,( )3. 1,283,586 is_. A. one million, two hundred and eighty-t

18、hree thousand, five hundred and eighty-six B. one 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,三、句型转换 Thats too expensive for us. We cant afford it. (两句合并为一句) Thats too for us afford. 2. This model is less expensive than th