Unit3LanguageinuseModule2Myhometownandmycountry1.Tosummariseandconsolidatetheuseofcomparativeadjectives(-er)2.TocomparetwoplacesinyourhometownObjectives:Observethefollowingsentencescarefully.Andpayattentiontothewordsinred.1.It’sgettingbiggerandbusier.2.Itsstreetsaremuchwiderandcleanertoo.3.It’sanewercitythanHongKong.4.It’stallerthanmanyotherbuildingsinShenzhen.5.SomedayitwillbecomeasbusyasHongKong.6.That’slargerthanthepopulationofmanyothercitiesinChina.7.ShenzhenislargerinpopulationthanBeijing.1.It’sgetting______(big)and______(busy).2.Itsstreetsaremuch______(wide)and______(clean)too.3.It’sa_____(new)city____HongKong.4.It’s_____(tall)____manyotherbuildingsinShenzhen.biggerbusierwidercleanernewerthantallerthangoReady?5.Somedayitwillbecome__________(busy)asHongKong.6.That’s______(large)_____thepopulationofmanyothercitiesinChina.7.Shenzhenis_____(large)inpopulation_____Beijing.busyaslargerthanlargerthan比较级用于比较两个主体。组成句子的方式是将形容词或副词变成比较级的形式，之后要用than引出比较的对象。形容词比较级的构成——规则变化：单音节和部分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比较级的句子结构：原来的句子结构不变，只是将形容词变成比较级的形式，然后在后面用than引出所比较的对象。例如：1.Shanghaiisbusy.ShanghaiisbusierthanHangzhou.2.Shanghaiisanoldcity.ShanghaiisanoldercitythanShenzhen.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.……比较级+and+比较级……“越来越…”Inspring,thedaysaregettinglongerandlonger.4.as+形容词原形+as…“和……一样……”TomisastallasMike.Thisgirlisasbeautifulasthatone.否定形式：notas…as…或notso…as…意为“和……不一样”、“不及／不如……...
