Unit4 What's the best movie theater Section A 1a-2d课件 人教版八年级上册英语.pptx

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1、Unit 4Whats the best movie theater?,Section A 1a-2d,形容词最高级的构成,tall,taller,tallest,He is the tallest in our class.,形容词比较级和最高级的构成一、1.规则变化一般情况下，单音节或双音节的形容词比较级直接加-er, 最高级直接加-est。如： clevercleverercleverest cheapcheapercheapest fewfewerfewest smallsmallersmallest youngyoungeryoungest,late,later,Mark slept

2、 yesterday.,Sam slept yesterday.,latest,late,later,Tom slept the yesterday.,latest,2. 以-e 结尾的形容词，比较级+ -r,最高级+ -st。如largelargerlargest nicenicernicest cutecutercutest,This apple is the biggest of all.,big,bigger,biggest,3. 以重读闭音节结尾，末尾只有一个辅音字母结 尾的词，双写最后一个辅音字母，再加 er变成比较级 ；+ est变成最高级。 如： bigbiggerbigges

3、t thinthinnerthinnest fatfatterfattest hothotterhottest,Lichen,ChenHe,Lichen is funny.,funny,funnier,Chenhe is funnier,Zhao Benshan,Zhao benshan is the funniest of the three.,funniest,4. 以辅音字母+y结尾的形容词，变y为i +er或+est。 busybusierbusiest heavyheavierheaviest easyeasiereasiest happyhappierhappiest dirtyd

4、irtierdirtiest,10 yuan,20 yuan,50 yuan,This pen is the most expensive of the three.,expensive,more expensive,5. 多音节和部分双音节形容词，需在原级前+more 构成比较级，+ most 构成最高级。如： importantmore importantmost important beautifulmore beautiful most beautiful difficultmore difficultmost difficult,This car is the best of the

5、 three.,good,better,形容词比较级和最高级的构成不规则变化：,best,二. 不规则变化：,1.表示三者或三者以上比较,可用”Which/Who +最高级,or ?”表示.,2. 最高级+of/among (同类比较) in (范围比较),4.one of +,形容词最高级,+名词复数表示“最 之一”,3. 序数词修饰最高级,形容词和副词的最高级的用法,Who is the tallest, Tom , Mike , or Jack?,Tom is the tallest of the three.,Mike is the second tallest student in

6、our class.,Jack is one of the tallest students in our class.,Tom runs (the) fastest in our class.,3. Lin Tao is _ in the class because he never gets to school on time. （最懒的学生之一）,one of the laziest students,The Yangtze River is_ river in the world. (第三长河）,the third longest,2. The Atlantic is _ ocean

7、in the world. ( 第二大洋）,the second biggest,Exercise:,一、翻译句子：,4. She works _ (careful) in her school. 5. Who goes to bed _ (late) Jim, Tom or Jack? 6. I think turkey is _ (delicious) of all.,the most carefully,latest,the most delicious,形容词比较级和最高级的构成一、规则变化 1. 一般情况下，单音节或双音节的形容词比较级直接加-er,最高级直接加-est。 2. 以-

8、e 结尾的形容词，比较级+ -r,最高级+ -st。 3 . 以重读闭音节结尾，末尾只有一个辅音字母结 尾的词，双写最后一个辅音字母，再加 er变成比较级 ；+ est变成最高级。 4. 以辅音字母+y结尾的形容词，变y为i +er或+est。 5. 多音节和部分双音节形容词,需在原级前+more构成比较级，+ most 构成最高级。,二. 不规则变化：,1.Hainan is a very large Island .It is the second _ island in china. (large)2.He is _ among us. (careful)3.I think Yao Mi

9、ng is one of _ basketball players in NBA. (hot),the most careful,largest,the hottest,Homework、完成句子,1Dick sings_，she sings _than John，but Mary sings _ in her class.(well)2He is _ at learning math.He is much _ at Chinese and he is the _ at English.(bad)3Annie says Sally is the _ (kind) person in the world.4The white flower is _The yellow flower is _ than the white flower.The red flower is _ of the three.(beautiful)5He is _(clever) than any other boy in the class.,Thank You!,