人教版英语八年级上册-Unit 3 语法专题课件.pptx

1、2020202020212021Have you changed?Im tall.Im taller.2021202120202020 I am taller than last year.PresentationLook and say.My pet is cuter.2021202120202020 My pet is cuter than last year.My pet is cute.PresentationIm healthy.2021202120202020 I am healthier than last year.Im healthier.PresentationIm thi

2、n.2021202120202020 I am thinner than last year.Im thinner.PresentationIm outgoing.Im quiet.2021202120202020 I am more outgoing than last year.Presentation2020202020212021I play basketball well.Presentation I play basketball better than last year.I play basketball better.设计意图设计意图通过教师提问通过教师提问“过去的一年过去的

3、一年你有哪些改变？你有哪些改变？”引出形容引出形容词副词的比较级句型，让学词副词的比较级句型，让学生先整体感知比较级的句式生先整体感知比较级的句式结构。结构。tall cute healthy thin outgoing well tallerhealthier cuterthinner more outgoingbetter 比较级比较级 原级原级Practicemore beautifulheavier biggerbetter laziermore easily happiernicer smallershorter fattermore difficultmore beautiful

4、more easily more difficult heavier lazier happier bigger fatter smaller shorter nicer better 比较级构成的比较级构成的规则规则变化变化单音节词和部分双音节词一般在词尾加-ertall-tallerhigh-higher以不发音的字母e结尾的词加-rnice-nicerwide-wider重读闭音节词词尾只有一个辅音字母时，先双写该辅音字母，再加-erhot-hotterbig-bigger以“辅音字母+y”结尾的双音节词，变“y”为“i”，再加-erlazy-lazierhappy-happier多音节

5、词和部分双音节词在其前面加moreinteresting-more interestingpopular-more popular+er+r变变y y为为i+eri+er双写末尾辅双写末尾辅音字母音字母+er词前词前+more设计意图设计意图通过学生感知发现并自主总通过学生感知发现并自主总结形容词副词比较级的变化结形容词副词比较级的变化规律。规律。巧学妙记 直直 去去 双双 改改 多多 比较级构成的比较级构成的规则规则变化变化比较级不规律比较级不规律,一般词尾加一般词尾加erer；词尾若是哑音词尾若是哑音e,e,直接加直接加r r就可以；就可以；单一辅音单音节单一辅音单音节,双写词尾加双写词尾

6、加erer；辅音加辅音加y y很重要很重要,去去y y变变i i加加erer；双多音节字太长双多音节字太长,前加前加moremore来比它强。来比它强。巧学妙记 直直 去去 双双 改改 多多 比较级构成的比较级构成的不规则不规则变化变化原级原级比较级比较级good/wellbetterbad/badly/illworsemany/muchmorelittlelessoldolder/elderfarfarther/further一分为二有两个，一是远来一是老，合二为一共三对，坏病两多并两好。还有little含双意，只译少来不译小。巧学妙记 How can we be better?2021 2

7、021 Challenge One1.outgoing _ 2.beautiful _3.good _ 4.loudly _5.heavy _ 6.early _7.clearly _ 8.serious _9.difficult _ 10.many _more outgoingmore beautifulbettermore loudlyheavierearliermore clearlymore seriousmore difficultmore 快速说出下列形容词或副词的比较级快速说出下列形容词或副词的比较级巩固练习巩固练习Is Tom smarter than Sam?No,he is

8、nt.Sam is smarter than Tom.Is Tara more outgoing than Tina?No,she isnt.Tina is more outgoing than Tara.Are you as friendly as your sister?No,Im not.Im friendlier.Does Tara work as hard as Tina?Yes,she does.Whos more hard-working at school?Tina thinks she works harder than me.Underline the adjectives

9、Circle the adverbs.Tips:形容词与形容词与be动词连用；动词连用；副词修饰行为动词，往往位于动词之后。副词修饰行为动词，往往位于动词之后。Is Tom smarter than Sam?No,he isnt.Sam is smarter than Tom.Is Tara more outgoing than Tina?No,she isnt.Tina is more outgoing than Tara.Are you as friendly as your sister?No,Im not.Im friendlier.Does Tara work as hard as

10、Tina?Yes,she does.Whos more hard-working at school?Tina thinks she works harder than me.Grammar Focusas+原级+as“与.一样”用来进行同级比较。I wish my family will be as healthy as before in 2021.Tips:同级比较用原级，as.as永不离。若是否定加not，后者总是强前者。形容词和副词的同级比较形容词和副词的同级比较Is Tom smarter than Sam?No,he isnt.Sam is smarter than Tom.Is

11、 Tara more outgoing than Tina?No,she isnt.Tina is more outgoing than Tara.Are you as friendly as your sister?No,Im not.Im friendlier.Does Tara work as hard as Tina?Yes,she does.Whos more hard-working at school?Tina thinks she works harder than me.Grammar FocusPlease pay attention to this word.形容词和副词

12、的比较级常用结构形容词和副词的比较级常用结构比较级比较级+thanTipsTips:than:than前后所使用的动词相同时，通常用助动词代替后面前后所使用的动词相同时，通常用助动词代替后面的动词或省略后面的动词的动词或省略后面的动词。Im taller than last year.I play basketball better than I(did)last year.A+be+形容词比较级形容词比较级+than+BA+实义动词实义动词+副词比较级副词比较级+than+B设计意图设计意图 学生自主观察学生自主观察-发现发现-思考思考-总结规律总结规律 ：1.“1.“比较级比较级 +and

13、+比较级比较级”或或“more and more+形容词形容词/副词副词原级原级”，表示，表示 “越来越越来越”，其后均不可接，其后均不可接than。The harder we are,the better grades we will get.特殊结构Grammar FocusI wish our country will be stronger and stronger.I think my school will be more and more beautiful.2.“The+2.“The+比较级比较级,the+,the+比较级比较级”意为意为 “越越，越，越”。Find the d

14、ifferences 比较级比较级andand比较级比较级 “越来越越来越.”.”stronger and strongermore and more importantthe+the+比较级比较级.the+.the+比较级比较级 “越越.越越.”.”The harder we are,the better grades we will get.The more,the better.越多越好越多越好.and前后都一样，表示程度越来越强前后都一样，表示程度越来越强thethe前前thethe后不一样，因果关系要牢记后不一样，因果关系要牢记中考常见可修饰比较级的词中考常见可修饰比较级的词总结：当

15、表示一方超过另一方的总结：当表示一方超过另一方的“程度程度”时，可以用时，可以用much,even,still等来修饰。等来修饰。饭饭修饰比较级饭饭修饰比较级 taller taller taller much even still a little tall beautiful ugly very so too巧学妙记 meals修饰原级修饰原级 very,so,toovery,so,too只能修饰原级只能修饰原级减弱“不如”巧用口诀巧用口诀帮助学生帮助学生记忆记忆 How can we be better?Challenge Two 2021 2021Finding the Truth 当

16、两者进行比较时，应用句型当两者进行比较时，应用句型 A+be+adj比较级比较级+than+B 证据证据 事件事件1 1 Tom比比Sam聪明聪明 传说传说 Tom is smart than Sam.真真 相相Tom is smarter than Sam.Finding the Truth 事件事件2 2 Tom说英语比我清晰说英语比我清晰。传说传说 Tom speaks English more clear than me.此处此处speakspeak是动词，应该使用副词是动词，应该使用副词clearly来来修饰。修饰。真相真相 证据证据Tom speaks English more c

17、learly than me.Finding the Truth 事件事件3 3 David 和和Eric一样勤奋。一样勤奋。传说传说 David is as more hard-working as Eric._ as.as 结构中,使用形容词或副词的原形 真相真相 证据证据David is as hard-working as Eric.Finding the Truth 事件事件4 4 刘翔刘翔比姚明跑得快。比姚明跑得快。传说传说 Liuxiang is runs faster than Yaoming.真相真相Liuxiang runs faster than Yaoming.当两者进

18、行比较时当两者进行比较时,副词比较级需注意实义副词比较级需注意实义动词前不能出现动词前不能出现be动词动词。证据证据Finding the Truth 事件事件5 5 你的书包比我的漂亮。你的书包比我的漂亮。传说传说 Your bag is more beautiful than my.同类事物进行比较，我们要用同类事物进行比较，我们要用名词性的名词性的物主代词物主代词。真相真相 证据证据Your bag is more beautiful than mine.设计意图设计意图 创设情境，创设情境，讲练结合，且有理有据。讲练结合，且有理有据。How can we be better?2021

19、2021 Challenge Three 直击中考直击中考Why don t you get yourself a job?That s _ said than done.A.easy B.easier C.the easier D.the easiest_ mountain is,_ the air is.A.The highest;the thinnest B.Higher;thinner C.The higher;the thinnerHow hard you are working,Helen!We must!President Xi said that _ we are,_ we w

20、ill be.A.the more hard-working;the luckier B.the hard-working;the lucky C.more hard-woking;lucker D.the most hard-working;the luckiest123 直击中考直击中考45The living conditions in the countryside have improved greatly in recent years.The farmers are living a much _ life than before.A.happy B.happier C.happ

21、ily D.happiestWhat do you think of maths,John?For me,maths is _ than any other subject.A.difficult B.more difficult C.most difficult D.the most difficult 直击中考直击中考每个人都知道中国变得越来越强大每个人都知道中国变得越来越强大。Everyone knows that China is getting _.微信微信钱包使我们的生活比以前方便多了。钱包使我们的生活比以前方便多了。WeChat Wallet is making our life

22、 _ convenient(方便方便)than before.这对双胞胎长得一样吗这对双胞胎长得一样吗?不，简比克莱尔高一点。不，简比克莱尔高一点。Do the twins look the same?No,Jane is _ taller than Claire.123stronger and strongermuch morea little20212021 Try to change!Its easier said than done!Everything will be better!Complete the article using the correct forms.In 202

23、1,I will be one year _(old)than now.I will be _(tall)and(healthy)than now.I will have _(many)subjects to learn,so I will study _(hard)and_(hard).To get _(good)grades,I will be_(good)at learning.I will care my friends as_(truly)as before because I believe the_(much)I give,the _(long)my friendship will be.HomeworkBlackboard Design形容形容词和词和副词副词的比的比较级较级构成构成规规则则变变化化不不规规则则变变化化单音节单音节词和部词和部分双音分双音节词节词多音节词多音节词和部分双和部分双音节词音节词原级原级比较级比较级good/wellbetterbad/badly/illworsemany/muchmorelittlelessoldolderelderfarfartherfurther 直直 去去 双双 改改 多多前面加前面加more38