Unit 4 Our World Topic 2 Section A--形容词的比较级与最高级（2）.ppt

1、Unit 4 Topic 2 Section A - 形容词比较级与最高级,Liu Xiang is tall.,Yao Ming is taller than LiuXiang.,Yao Ming,Liu Xiang,Zeng Zhiwei is short .,Xiao xin is shorter than Zeng Zhiwei .,Zeng Zhiwei,Xiao xin,Summer is hot. Summer is _ than spring. Winter is cold. Winter is _ than autumn.,colder,hotter,Liu Yifei is

2、 thin.,Nancy is thinner than Liu Yifei.,Liu Yifei,Nancy,Jim,Tom,Tom is more athletic than Jim.,Jim is athletic.,一、规则变化,二、不规则形容词的比较级,三、形容词比较级的用法,一、单音节和 部分双音节词,Q1：形容词比较级的规则变化有些？,1.slow fast young tall 2.fine late 3.thin big 4.easy lucky,slower,younger,一般在词尾加 er。,以字母e 结尾的词,加 r。,重读闭音节词只有一个辅音字母时,双写辅音字母,加

3、 er。,以辅音字母加“y”结尾的双音节词,先改“y”为“i”再加 er。,finer,later,easier,thinner,bigger,luckier,taller,faster,二、多音节和部分双音节词 在词前加more或most,delicious more delicious,important more important,boring more boring,Q2：形容词比较级和最高级的不规则变化有哪些？,Q3： 通常在什么情况用形容词比较级？,地球比月球大。,The earth is larger than the moon.,1、两者之间的比较，句中有明显的标志词 tha

4、n。,数学和英语，哪个更容易？,变式练习：这本书比那本书有趣。,Which is easier, maths or English?,2、Which/Who is + 比较级, A or B ?,变式练习：周杰伦和张杰，谁更受欢迎？,Q4：有哪些特殊情况下也使用形容词的比较级？,汤姆是这两个男孩中较高的一个。,Tom is the taller of the two boys.,1、 is the +比较级 + of the two.(两者中较）,天变得越来越黑。,变式练习：曙光学校是两所学校中较好的一所。,Its getting darker and darker.,2、比较级+ and +

5、 比较级 “越来越”,变式练习：他有越来越多的朋友。,保山变得越来越美丽。,Baoshan is becoming more and more beautiful.,2）more +and +more+原级 越来越” （多音节 词和部分 双音节词）,你吃得越多，就变得越胖。,变式练习：英语越来越重要。,The more you eat, the fatter you will become.,3、The + 比较级，the + 比较级 “越，就越”,变式练习：你锻炼的越多就越健康。,4.比较级形式用来表示最高级概念 than any other+单数名词 比较级+ than the other

6、 +复数名词 （比其他任何一个都） Tom在他班上比其他任何一个男孩都高。 Tom is taller than any other boy in his class. =Tom is taller than the other boys in his class =Tom is the tallest boy in his class.,变式练习：这个教室比任何一个教室都大。,5. Much ,a lot ,a bit ,a little ,even ,far 等修饰比较级 Lucy比她姐姐胖的多。 Lucy is much heavier than her sister.,变式练习：她今天

7、比我更高兴。,课堂总结,I 形容词的比较的基本构成 单音节和 部分双音节词一般在词尾加 er。 以字母e 结尾的词,加 r。 重读闭音节词只有一个辅音字母时,双写辅音字母,加 er。 以辅音字母加“y”结尾的双音节词,先改“y”为“i”再加 er。 多音节和部分双音节词在词前加 more。 II 形容词比较级的五个特殊变化 good/wellbetter bad/ill/badlyworse many/muchmore littleless farfarther,III 形容词的比较级基本运用 than用比较级 Which/Who is + 比较级, A or B ? IV 形容词比较级在特殊

8、情况下的几个用法 is the +比较级 + of the two.(两者中较） 比较级+ and + 比较级 “越来越” The + 比较级the + 比较级 “越越” 比较级形式用来表示最高级概念than any other+单数名词 比较级+ than the other +复数名词 much, a lot, a bit, a little, even, far 等修饰比较级,一、写出下列形容词的比较级,Short ill big late easy delicious,shorter,目标检测,worse,bigger,later,easier,more delicious,1、His

9、 pencil is very more expensive than mine. 2、Which is more useful of the two dictionaries? 3、The careful you are, the few mistakes you will make.,very改为much,more useful改为the more useful,The careful改为The more careful the few 改为the fewer,1. A horse is _ than a dog A. much heavy B. more heavier C. much

10、heavier 2. Emma always makes a lot of mistakes . She is _ A. care B. careful C. carefully D. careless 3. Which subject is _ , physics or chemistry ? A. interesting B. most interesting C. more interesting D. the most interesting,C,D,C,4. In our city its _ in July, but it is even _ in August. A. hotter hottest B. hot hot C. hotter hot D. hot hotter,5.The bread is _ than these cakes. A、Very delicious B. much delicious C. more delicious D. as deliciou