新外研版八年级英语上册：Module2Unit3Languageinuse课件.ppt

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1、外研八年级上册Module2MyhometownandmycountryUnit3Languageinuse学科网TocomparetwoplacesinyourhometownTosummariseandconsolidatetheusecomparativeadjectives(-er)Objectives:语法讲解建议采用归纳法，如尽可能多的呈现一些相关例句，或可让学生从已学课文中找相应例句，引导学生试着从所观察到的语言现象中总结出语法规律。Z.x.x.KZ.x.x.KObserveAreyo

2、ufamiliarwiththesesentences?Theyareallfromthetextswehavelearnt.It’sgettingbiggerandbusier.Itsstreetsaremuchwiderandcleanertoo.3.It’sanewercitythanHongKong.4.It’stallerthanmanyotherbuildingsinShenzhen.5.SomedayitwillbecomeasbusyasHongKong.6.That’slarger

3、thanthepopulationofmanyothercitiesinChina.7.ShenzhenislargerinpopulationthanBeijing.Guessinggame1.totestyoursenseofobservation2.totestyourabilityofshort-termmemory3.totestyourabilityofinductivemethodZx.xk1.It’sgetting______(big)and______(busy).2.Itsstr

4、eetsaremuch______(wide)and______(clean)too.3.It’sa_____(new)city____HongKong.4.It’s_____(tall)____manyotherbuildingsinShenzhen.biggerbusierwidercleanernewerthantallerthan5.Somedayitwillbecome__________(busy)asHongKong.6.That’s______(large)_____thepopul

5、ationofmanyothercitiesinChina.7.Shenzhenis_____(large)inpopulation_____Beijing.busyaslargerthanlargerthan以上我们已经通过归纳总结和练习对本课的语法内容有了一定的了解,下面就让我们根据之前练习的考察情况进一步选择讲解该语法项的重难点。语法讲解比较级用于比较两个主体的，组成句子的方式是将形容词或副词变成比较级的形态，即在形容词或副词前加more或加后缀-er。比较级的构成：1)规则变化：单音节和部分

6、双音节词一般在词尾加-ertall→tallerlong→longer以字母e结尾的词，在词尾加-rfine→finerlate→later重读闭音节词且词尾只有一个辅音字母，双写辅音字母再加-erbig→biggerthin→thinner以“辅音字母+ y”结尾的双音节词，先把“y”改为“i”再加-ereasy→easierfriendly→friendlier多音节词和部分双音节词在词前加moreoutgoing→more outgoingbeautiful→more beautiful2)一

7、些不规则变化：good/well→better；bad/badly→worse；many/much→more；far→farther/further比较级常用句型：1.A+动词+形容词比较级+than+B意为“A比B更……”Thistreeistallerthanthatone.TheclimateinBeijingishotterthanthatofNingbo.ABAB2.表示两者之间的选择,可使用Whichis+比较级,…or…?Whichislonger,thisoneorthatone?3

8、.The+比较级……，the+比较级……“越……越……”Thesmallerthehouseis,thelessitwillcostustheheat.4.……比较级+and+比较级……“越来越…”Inspring,thedaysaregettinglongerandlonger.5.修饰形容词和副词的比较级的副词要用much,alot,alittle,abit,far等。very不能和比较级连用。如：TheblouseIboughtyesterdayisalittl