新人教版英语初二上第三单元比较级课件
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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：dark→darker;tall→taller; small→smaller
lova【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：nice→nicermerge
【即时训练】 late_________
3. 重读闭音节双写末位字母再加er 。
如：fat→fa tter
【即时训练】thin_________run_________
4. 多音节形容词，在其前加more 构成。
如： interesting→more interesting;
【即时训练】important→more important 。
5.以辅音字母加y 结尾的，把y 变i ，加er 。
early →earlier
【即时训练】 heavy_________ easy ________
yqq6.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 / a bit/ a lot / slightly.
原形 比较级 最高级
good/well better best
bad/ill wor Worst
many/much more Most
little less Least
far 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 ten years younger than me.
(3) any/ no/ even/ some/ still
Do you feel any better today?
十二个月的英文gm什么意思She is no older than mike.
kinda
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、as……as中间用原级。
as……as… (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.
one of kind2012中考英语His shirt is more expensive than mine.
9、如果比较对象相同，可用that\tho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 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 baball. (big)
4.Question A _______ ________ ____________ __________ Question B. (important)
5.A ro ________ ________ __________ ________ a weed(野草). (beautiful)
6.Toronto is _____ ______ city in Canada. (large)conclusion
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.圣诞快乐的英语
4.多做运动，你会更强壮。________ more exerci,you’ll ________ _________ soon.
