优质课堂学年八年级英语下册UnitWhat'sthehighestmountainintheworld单元语法聚焦七课件（新版）人教新目标版

1、单元语法聚焦七单元语法聚焦七 语法点击语法点击形容词、副词的比较级和最高级形容词、副词的比较级和最高级1 1形容词及副词比较级和最高级的构成：形容词及副词比较级和最高级的构成：(1)(1)规则变化：一般在原级词尾加规则变化：一般在原级词尾加erer或或estest。wild wilderwildestwild wilderwildest，talltallertallesttalltallertallest以不发音的字母以不发音的字母e e结尾的只加结尾的只加rr或或stst。latelaterlatestlatelaterlatest，finefinerfinestfinefinerfines

2、t 以辅音字母加以辅音字母加y y结尾的双音节词，先变结尾的双音节词，先变y y为为i i，再加，再加erer或或estest。heavyheavierheaviestheavyheavierheaviest，funnyfunnierfunniestfunnyfunnierfunniest单元语法聚焦七单元语法聚焦七 以重读闭音节结尾且末尾只有一个辅音字母的，需双写以重读闭音节结尾且末尾只有一个辅音字母的，需双写词尾辅音字母，再加词尾辅音字母，再加erer或或estest。hothotterhottest, hothotterhottest, thinthinnerthinnestthinth

3、innerthinnest在多音节词和部分双音节词原级前加在多音节词和部分双音节词原级前加moremore或或mostmost。beautifulmore beautifulmost beautifulbeautifulmore beautifulmost beautiful，carefulmore carefulmost carefulathleticmore carefulmore carefulmost carefulathleticmore athleticmost athleticathleticmost athletic单元语法聚焦七单元语法聚焦七 (2)(2)不规则变化：不规则变

4、化：good/wellbetterbest, good/wellbetterbest, bad/illworseworst, many/muchmoremostbad/illworseworst, many/muchmoremost，littlelessleast, littlelessleast, farfarther/furtherfarthest/furthest, farfarther/furtherfarthest/furthest, oldolder/elderoldest/eldestoldolder/elderoldest/eldest(3)巧记形容词及副词比较级变化巧记形容词

5、及副词比较级变化规则变化：规则变化：比较级，有变化，一般词尾加比较级，有变化，一般词尾加_erer_；词尾不发音词尾不发音e e简单化，之后另把简单化，之后另把rr来加。来加。辅音字母辅音字母y y型，改型，改_y y_为为_i i_，加，加_erer_；一辅重读闭音节，词尾字母应双写。一辅重读闭音节，词尾字母应双写。单元语法聚焦七单元语法聚焦七 双、多音节更容易，之前加双、多音节更容易，之前加_就可以。就可以。不规则变化：不规则变化：“俩好俩好”(good/well)”(good/well)是是_；“俩多俩多”(many/much)”(many/much)是是_。“坏坏/ /病病”(bad/

6、ill)”(bad/ill)是是_；“老老/ /远远”(old/far)”(old/far)变化有两个。变化有两个。注意：注意：farfar的两个比较级有所不同：的两个比较级有所不同：fartherfarther强调距离远；强调距离远；furtherfurther强调程度深。强调程度深。oldold的两个比较级的不同：的两个比较级的不同：olderolder指年龄的大小；指年龄的大小；elderelder指指亲兄弟、姐妹间的长幼关系。亲兄弟、姐妹间的长幼关系。morebettermoreworse单元语法聚焦七单元语法聚焦七 用法用法例句例句比较级之前加比较级之前加much, far, a b

7、it, a little, even, still, a lot等修饰词，用以加强语气。等修饰词，用以加强语气。She is a little fatter than me.她比我胖点。她比我胖点。“比较级比较级and比较级比较级”表示表示“越来越来越越”。When the winter is coming, it gets colder and colder.当冬天来临，天气变得越来越当冬天来临，天气变得越来越冷。冷。“The比较级句子，比较级句子，the比较级句比较级句子子”表示表示“越越，就越，就越”。The more we have, the more we want.我我们拥有的越多

8、，想得到的就越多。们拥有的越多，想得到的就越多。“the比较级比较级of the two”表示表示“两个两个中比较中比较的的”。The apple is the bigger of the two.这个苹这个苹果是两个中较大的。果是两个中较大的。名词介词短语名词介词短语be比较级比较级thanthat(those)介词短语。介词短语。The weather in Beijing is cooler than that in Shanghai.北京的天气比上海的凉爽。北京的天气比上海的凉爽。“比较级比较级than any other单数名词单数名词”表表示示“比其他的任何比其他的任何都都”。Ch

9、ina is larger than any other country in Asia.中国比亚洲任何一个其他国家都大。中国比亚洲任何一个其他国家都大。2：用法：用法(1)形容词及副词比较级的用法：形容词及副词比较级的用法：单元语法聚焦七单元语法聚焦七 用法用法例句例句表示表示“大几岁、高多少大几岁、高多少”等时，常等时，常用用“数量词比较级数量词比较级than”句句型。型。She is three years older than I她比她比我大三岁。我大三岁。“Which/Who is比较级，比较级，A or B？”Which is easier，English or Chinese？英

10、语和语文相比，哪个更简单？英语和语文相比，哪个更简单？单元语法聚焦七单元语法聚焦七 (2)形容词及副词最高级的用法：形容词及副词最高级的用法：用法用法例句例句表示表示“最最之一之一”用用“one of最最高级名词复数高级名词复数”。China is one of the oldest countries in the world.中国是世界上最古老的中国是世界上最古老的国家之一。国家之一。表示表示“第几第几”用用“the序数词序数词最高级最高级(不再加不再加the)”。This building is the second tallest in the world.这栋楼房是世界第二高的。这栋

11、楼房是世界第二高的。Which/Who is最高级，最高级，A，B or C？Which is the biggest，the moon, the sun or the earth？月亮、太阳和地球？月亮、太阳和地球相比，哪个最大？相比，哪个最大？形容词最高级前有物主代词、指示形容词最高级前有物主代词、指示代词、名词所有格或专有名词修饰代词、名词所有格或专有名词修饰时，其前不用定冠词时，其前不用定冠词the。This is his latest movie.这是他的最这是他的最新电影。新电影。单元语法聚焦七单元语法聚焦七 实战演练实战演练( ()1.The boy is _ than the

12、girl.)1.The boy is _ than the girl.A Aolder 2 yearsolder 2 yearsB B2 years older2 years olderC C2 years elder D2 years elder Delder 2 yearselder 2 years 解析解析 B B句意：这个男孩比那个女孩大两岁。年龄大小句意：这个男孩比那个女孩大两岁。年龄大小的比较应用的比较应用olderolder。单元语法聚焦七单元语法聚焦七 ( ()2.The people here are friendlier than )2.The people here ar

13、e friendlier than _ there._ there.A AthatthatB BthosethoseC CthemthemD Dtheythey 答案答案 B B( ()3.Whats the best movie theater?)3.Whats the best movie theater?Show Time Cinema. Its _Show Time Cinema. Its _A Athe cheapest Bthe cheapest Bmost cheapestmost cheapest 解析解析 A A单元语法聚焦七单元语法聚焦七 ( ()4.Why do you

14、like the Town Cinema?)4.Why do you like the Town Cinema?Because it has _ seats.Because it has _ seats.A Amost comfortablemost comfortableB Ba comfortablea comfortableC Ca more comfortablea more comfortableD Dthe most comfortablethe most comfortable 答案答案 D D ( ()5.Who do you think is the funniest?)5.

15、Who do you think is the funniest?I think Jim Carrey is _ actor.I think Jim Carrey is _ actor.A Aa funniest Ba funniest BfunniestfunniestC Cthe funniest Dthe funniest Dmost funniest most funniest 答案答案 C C单元语法聚焦七单元语法聚焦七 ( ()6.Its believed that _you work, )6.Its believed that _you work, _ result youll

16、get._ result youll get.A Athe harder; the betterthe harder; the betterB Bthat hardest; the bestthat hardest; the bestC Cthe greater; the worsethe greater; the worseD Dthe more; the morethe more; the more 解析解析 A A“the“the比较级，比较级，thethe比较级比较级”表示表示“越越，就越就越”。句意：我相信你工作得越努力，你就会获得越好。句意：我相信你工作得越努力，你就会获得越好的结

17、果。的结果。单元语法聚焦七单元语法聚焦七 ( ()7.Who is _ running star in your )7.Who is _ running star in your college? college? I think Philip is.I think Philip is.A Afamousfamous B Bmore famousmore famousC Cthe most famous Dthe most famous Dless famousless famous 解析解析 C C本题中本题中in your collegein your college是比较范围，应用最高是

18、比较范围，应用最高级；级；famousfamous的最高级是的最高级是most famousmost famous，且前加定冠词，且前加定冠词thethe。单元语法聚焦七单元语法聚焦七 ( ()8.Whats the best movie theater?)8.Whats the best movie theater?Show Time Cinema. Its _Show Time Cinema. Its _A Athe cheapest Bthe cheapest Bmost cheapestmost cheapestC Cmost comfortable Dmost comfortable Dmore cheapmore cheap 答案答案 A A( ()9.Why do you like the Town Cinema?)9.Why do you like the Town Cinema?Because it has _ seats.Because it has _ seats.A Amost comfortable Bmost comfortable Ba comfortablea comfortableC Ca more comfortable Da more comfortable Dthe most comfo