---------------------------------------------------------------最新资料推荐------------------------------------------------------ 人教版初二上英语第三单元课件--比较级【教师寄语：请你相信，态度决定高度！】比较级【基础知识】一、比较级的意义：两个人或物之间的比较。
表示较或更一些。
标志词：than (比）其基本结构：A + be 动词 + 形容词比较级 + than +B He is younger than me.他比我年轻。
The cup is smaller than the desk.这个杯子比桌子小。
My sister is elder than me.我姐姐比我大。
二、形容词的比较级怎么构成？⒈ 直接加 er。
如：darkdarker;talltaller; smallsmaller 【即时训练】strong_______ small _________ light________ 2. 以 e 结尾的形容词在词尾直接加-r 构成。
如：nicenicer 【即时训练】 late_________ 3. 重读闭音节双写1 / 8末位字母再加 er。
如：fatfatter 【即时训练】 thin_________run_________ 4.多音节形容词，在其前加 more 构成。
如：interestingmore interesting; 【即时训练】importantmore important。
5.以辅音字母加 y 结尾的，把 y 变 i，加 er。
earlyearlier 【即时训练】 heavy_________ easy ________6.少数形容词的比较级是不规则的。
三、重难点、考点。
1、形容词/副词比较级前的修饰语. (1)much/a little/ abit/ a lot / slightly. 原形 good/well 比较级 better 最高级best bad/ill worse Worst many/much more Most little less Leastfar farther further farthest furthest old older elder oldest eldest She is much taller than me. I am a little shorter than my mother. (2) 具体数量. My sister is tenyears younger than me. (3) any/ no/ even/ some/ still Do you feel any better today? She is no older than mike.2、定冠词或指示形容词+比较级+名词表示比较。
The taller boy is John. 3、不可使用双重比较级。
错误 My mother is more younger than my father.我妈妈比---------------------------------------------------------------最新资料推荐------------------------------------------------------我爸爸小。
正确 My mother is younger than my father. 4、与 than 搭配的词语形式。
（1）名词/代词 He is older than me. (2) 动名词/从句Skiing is more exciting than skating. 5、 asas 中间用原级。
asas (与一样） not as(so)as （与不一样） 6、表示倍数的词或其他程度副词做修饰语，放在 as 的前面。
She can read twice as fast as you do. 7、、比较级与最高级可以转换，意思不变。
如：She is taller than any other girl in Class5.=She is the tallest girl in Class5. 8、比较的事物只能是同一级别的。
如：My hair is longer than Mary’s. His shirt is more expensive than mine. 9、如果比较对象相同，可用 that\those 代替第二个比较对象。
如：The weather in Shanghai is better than that in Wuhan.10、比较级的特殊搭配。
1）比较级+and+比较级表示越来越eg: He becomes fatter and fatter. 2） The +比较级， the +比较级表示越，越The3 / 8more ,the better. 3）表示两者中较时，用 the + 形容词比较级+ of 短语来表达。
He is the taller of the two. 4） More than 不仅仅是，超过； Less than 不到 5） more or less 差不多 The work is more or less finished.工作差不多完成了。
【当堂练习】一、写出下列形容词或副词的比较级。
old__________ young________ tall_______ long________ short________ strong________ big________ small_______ fat_________ thin__________ heavy______ quiet__________ nice_________ good_________ beautiful______________ long___________ fat__________ slow__________ far__________ short__________ good__________ 二、根据句意填入单词的正确形式。
1.Miss Chen is __________ _________than Mr. Wang. (popular)2.Mr. Lin ________ ________ _________ Mr. Brown. (sad)3.The basketball _______ ________ ________ the baseball. (big)4.Question A _______ ________ ____________ __________ Question B. (important)5.A rose ________ ________ __________ ________ a weed(野草). (beautiful)6.Toronto is _____ ______ city in Canada. (large)7.Playing computer games is______ _____ _____ of all the activities.(interesting).---------------------------------------------------------------最新资料推荐------------------------------------------------------8.The Nile(尼罗河) is ______ ________river in the world. (long)9.Good health is _______ _______ ________thing life. (important) 10.Taking a taxi is ______ _______ way to get to the airport. (easy) 三、翻译句子。
1、谁比 Jim 年纪大？是你。
________ is _________than Jim？ ________ are. 2、他和他的朋友 Jim 一样年轻。
He _______ as __________ as ________ ________ Jim.3.Yang Ling 每天睡得比 SuYang 晚。
Yang Ling ________ to _______ ________ than Su Yang every day. 4.多做运动，你会更强壮。
________ more exercise,youll ________ _________ soon.5.我喜欢游泳。
我所有的朋友都游得比我慢。
I like_______.All my______ _______ _______than me. 6.我的姐姐起得比我早。
My_____ _____ up _____than me. 7.她不擅长体育。
但我跳得没有她高。
She doesnt ____ _____ in PE. But I dont ______ _____than_____. 8．我母亲比我父亲年纪小。
My_____ _____ ______than my ______. 9.她的毛衣和我5 / 8的一样重。
_____sweater_____ as_______as_____. 10.我的连衣裙太短了。
我想买一条大点的。
My dress_____ too_____. I want to _____a______one. 【课后作业】一、选择填空。
1. Which does Jimmy like _____ , Chinese or Art? A. well B. best C. better D. much2. The Changjiang River is one of _____ in the world. A. the longest river B. longest rivers C. the longest rivers D. longer rivers3. _____ of the two women is Mrs Brown. A. The beautiful B. The more beautiful C. More beautiful D. The most beautiful4. My mooncake is nicer _____ his. A. like B. with C. for D. than5. You are fatter than _____ . A. he B. his C. him D. he is tall6. He jumps _____ of the three. A. far B. further C. farthest D. furthest7. My hair is longer than _____ . A. my sister B. Kate C. my brothers D. Lucys8. There are _____ paper here .Please bring some. A. little B. less C. fewer D. a little9. The pen is _____ than that one. A. more cheap B. cheap C. much cheaper D. quite cheaper 10.Tom speaks Chinese _____ better than Jimmy. A. more B. very C. a lot of D. much---------------------------------------------------------------最新资料推荐------------------------------------------------------11.There are _____ girls in Class Two than in Class Four.A. moreB. nicestC. mostD. best 12.Its too _____ for you todo that. A. easy B. more dangerous C. harder D. the easiest 13.Who has _____ apples now, Jim, Lily or Lucy? A. much B. biggest C. better D. the most 14.You have more rulers than me. But _____ are nicer than _____ . A. mine, yours B. mine, your C. my, yours D. my, your 15.Tingting is _____ than Meimei, but Meimei is _____ than Tingting. A. all, stronger B. taller, strongest C. tallest, strong D. taller, stronger 16.Mother is _____ in my family. A. busy B. busier C. the busiest D. more busy 17.There are _____ in the park on Sunday.A. more childrenB. a lot of peopleC. much men and womenD. many peoples 18.-This blue sweater is too big for me .-Will you please show me a _____ one? A. small B. smaller C. the smallest D. smallest 19.No one is _____ Mary in the class.A. so tallest asB. as taller asC. so high asD. so tallas 20. This bike is _____ than that one. A. twenty yuan dear B. twenty yuan dearer C. dear twenty yuan D. dearer twenty yuan 二、用所给词的适当形式填空。