英语人教版八年级下册Unit7 SectionB 第二课时.ppt

《英语人教版八年级下册Unit7 SectionB 第二课时.ppt》由会员分享，可在线阅读，更多相关《英语人教版八年级下册Unit7 SectionB 第二课时.ppt（28页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、 Unit 7 Whats the highest mountain in the world？self checkhigherhighestmore dangerousmost dangerouslongerlongestmore popularmost popularbodyBeijingmy wishcrowdedstronger形容词和副词的比较级和最高级形容词和副词的比较级和最高级1.大多数形容词有三个级。大多数形容词有三个级。1)原级原级:常用结构常用结构as.as.像像.一样一样 Zhang Hong is as tall as Tom.张红和汤姆一样高。张红和汤姆一样高。2)比

2、较级比较级(用于用于两者之间的比较两者之间的比较)常用结构：常用结构：形容词比较级形容词比较级than.He is taller than I.他比我高。他比我高。Grammar 3)最高级最高级(用于用于三者或三者以上的比较三者或三者以上的比较)，常用结构常用结构:the+形容词的最高级形容词的最高级of/in.He is the tallest of the three.他是这三个人中最高的。他是这三个人中最高的。He is the funniest in his class.他是他们班最有趣的。他是他们班最有趣的。2.形容词、副词比较级和最高形容词、副词比较级和最高规则变化规则变化和和不

3、规则变化不规则变化。a)规则变化规则变化 1)一般情况下，一般情况下，单音节或双音节的形容词单音节或双音节的形容词（或（或副词副词）比较级比较级er，最高级最高级est 如：如：clevercleverercleverest fewfewerfewest smallsmallersmallest等。等。2)以以e结尾的词结尾的词，比较级比较级r，最高级最高级st 即可。即可。如：如：nicenicernicest cutecutercutest largelargerlargest 3)以以辅音字母辅音字母y结尾的结尾的变变y为为ier或或est 如如:easyeasiereasiest ha

4、ppyhappierhappiest 再如：再如：early,busy,heavy,dirty,lazy也也如此。如此。4)双写最后一个辅音字母双写最后一个辅音字母er 或或 est的词的词,同学要用心去记。同学要用心去记。1.fatfatterfattest 2.thinthinnerthinnest 3.hothotterhottest 4.redredderreddest 5.wetwetterwettest 6.bigbiggerbiggest 5)多音节和部分双音节的词多音节和部分双音节的词需要在形容词需要在形容词原级前原级前more构成构成比较级比较级，the most构构成成最高

5、级最高级。如：。如：beautiful more beautiful the most beautiful 又如又如:delicious,popular,important,interesting,expensive,creative双音节双音节的词如的词如:careful more careful the most careful useful more useful the most useful少数单音节词少数单音节词也是这样，如：也是这样，如：pleased more pleased the most pleased tiredmore tired the most tired b)不

6、规则变化：不规则变化：good better best well better best badworse worst many,much more most far farther farthest (距离远距离远)far further furthest (程度深程度深)old elder eldest (长幼长幼)old older oldest (年龄年龄)One of the m_ endangered a_ in the world is the giant panda.There are only about 1,600 left.(剩下）ostnimals1.玻璃杯里还剩下一点

7、水。2.我们还剩下一点时间。There is a little water left in the glass.We have a little time left.Exercise:1.The biggest d_ in the world is the Sahara.2.The river is too d _ to swim in.3.China is one of the oldest _(文明)in the world.desertdirtybamboocivilizations4.The s _ of the fastest animal is 120 kilometers per

8、 hour.5.What s _ do you need for your coat?I want a large one.speedsize单项选择单项选择。()1.My brother is _ more outgoing than me.A.many B.little C.much()2.October 12th was one of _ days in 2005.Shenzhou-VI was launched(发射）发射）successfully.A.exciting B.more exciting C.the most exciting()3.Which city is _,Bei

9、jing,Shanghai or Fuzhou?A.beautiful B.more beautiful C.the most beautiful()4._ children there are in a family,_ their life will be.A.The less,the better B.Fewer,richerC.The fewer,the better()5.Mobile phones are very popular now and they are _ than before.A.cheap B.cheaper C.the cheapest()6.In our ci

10、ty,its _ in July,but its even _ in August.A.hotter,hottest B.hot,hot C.hot,hotter()8.Jacks handwriting is as _ as Mikes.A.good B.better C.best()9.We can do the work better with _ money and _ people.A.little,few B.less,fewer C.fewer,less()10.Jim is the tallest student in our class and Tom is the seco

11、nd _ one.A.tall B.taller C.tallestFinish the sentences with the right forms of the adjs.1.Kate is young,but Joe is _.2.My shoes are new.My sisters are _ than mine.3.Her bag is heavy,and his is _ than hers.But yours is _ of all.4.Toms kite is high.Jims is _ than Toms.Mikes is _ of them all.5.Bill is

12、seven.John is nine and Tom is eleven.Tom is _ than John and Bill.Bill is _ than John.Bill is _ and Tom is _ of the three.youngernewerheavierthe heaviesthigherthe highestolderyoungerthe youngestthe oldestComplete the sentences with the right forms of the words.1.Jim is very _.Li Lei is _ than Jim.(hu

13、ngry)2.Kates mooncakes are _ of all.(nice)3.Your box is _ than mine.But his is _ of the three(heavy).4.Unit 2 is quite _.Unit 3 is _ than Unit 2.Its _ in Module 1.(hard)5.This TV play is _ than that one.(good)hungryhungriernicerheavierheaviesthardharderthe hardestbetter6.My mother is very _.She is _

14、 in my family.(busy)7.Lingling gets to school _ than the others.(early)8.She speaks English _ in our class.(well)9.Lucy jumped quite _.(far)10.I think English is as _ as Chinese.(important)11.This picture is _ of the four.(beautiful)12.Lucy did _ than Lily.(bad)busybusierearlierbestfarimportantthe m

15、ost beautifulworsethe Nilethe Yangtze Riverthe Yellow River6,6706,3005,500The Yellow River is long.The Yangtze River is a lot_ than the Yellow River.The Nile is _ _ of allThe Yangtze River is not_ long _ the Nile.=The Yangtze River is not _ than the Nile.longerthe longestas aslongerMount Tai is high

16、.Mount Huang is a little_than Mount Tai.Qomolangma is _ _ of all.QomolangmaMount HuangMount Tai8,8481,8641,545Mount Tai is not_ high _ Qomolangma.=Mount Tai is not _ than Qomolangma.higherthe highestas ashigherThe population of Singapore is large.The population of Malaysia is much_ than that of Sing

17、apore.The population of China is _ _ of all.SingaporeMalaysiaChina4,000,00020,000,0001300,000,000The population of Singapore is not_ large_ that of China.The population of Singapore is not_ than that of China.largerthe largestas aslargerChoose the best answer.1.My brother is _ more outgoing than me.

18、A.many B.little C.much2.October 12th was one of _ days in 2005.Shenzhou-VI was launched(发射）发射）successfully.A.exciting B.more exciting C.the most exciting3.Which city is _,Beijing,Shanghai or Fuzhou?A.beautiful B.more beautiful C.the most beautiful4._ children there are in a family,_ their life will

19、be.A.The less,the better B.Fewer,richer C.The fewer,the better5.Mobile phones are very popular now and they are _ than before.A.cheap B.cheaper C.the cheapest6.In our city,its _ in July,but its even _ in August.A.hotter,hottest B.hot,hot C.hot,hotter7.Of the two skirts,the pink one is _.A.the nicest

20、 B.the nicer C.nicer8.Jacks handwriting is as _ as Mikes.A.good B.better C.best9.We can do the work better with _ money and _ people.A.little,few B.less,fewer C.fewer,less10.Jim is the tallest student in our class and Tom is the second _ one.A.tall B.taller C.tallestFinish the sentences with the rig

21、ht forms of the adjs.1.Kate is young,but Joe is _.2.My shoes are new.My sisters are _ than mine.3.Her bag is heavy,and his is _ than hers.But yours is _ of all.youngernewerheavierthe heaviest4.Toms kite is high.Jims is _ than Toms.Mikes is _ of them all.5.Bill is seven.John is nine and Tom is eleven.Tom is _ than John and Bill.Bill is _ than John.Bill is _ and Tom is _ of the three.the highestolderyoungerthe youngestthe oldesthigher