人教版初二比较级课件

1、比较级讲解【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 + B1）He is younger than me.他比我年轻。2）The cup is smaller than the desk.这个杯子比桌子小。3）My sister is elder than me.我姐姐比我大。二、形容词的比较级怎么构成？ 直接加er。如：darkdarker;talltaller; smallsmaller【例】 strong_ small _ light_2. 以e结尾的形容词在词尾

2、直接加-r构成。如：nicenicer【例】 late_3. 重读闭音节双写末位字母再加er。 如：fatfatter【例】thin_run_4. 多音节形容词，在其前加more构成。如： interestingmore interesting; 【例】important5.以辅音字母加y结尾的，把y变i，加er。如：earlyearlier【例】 heavy_ easy _ 6.少数形容词的比较级是不规则的。 原形 比较级 最高级good/well better bestbad/ill worse worstmany/much more mostlittle less leastfar fa

3、rther/furtherfarthest/furthestold older/elder oldest/eldest三、重难点、考点。1、形容词/副词比较级前的修饰语. (1)much/a little/ a bit/ a lot / slightly. She is much taller than me. I am a little shorter than my mother. (2) 具体数量. My sister is ten years younger than me. (3) any/ no/ even/ some/ still Do you feel any better t

4、oday? She is no older than mike.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 Marys. His shir

5、t is more expensive than mine.9、如果比较对象相同，可用 thatthose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”The more ,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

6、 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。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 w

7、eed(野草). (beautiful)6.Toronto is _ _ city in Canada. (large)7.Playing computer games is_ _ _ of all the activities.(interesting).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 do