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时间:2020-04-26
《2014年春人教版最新八年级英语下册《Unit7What’sthehighestmountainintheworldselfcheck》课件.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、Unit7What’sthehighestmountainintheworld?selfcheckhigherhighestmoredangerousmostdangerouslongerlongestmorepopularmostpopularbodyBeijingmywishcrowdedstronger形容词和副词的比较级和最高级大多数形容词有三个级。原级:常用结构as...as...像..….一样ZhangHongisastallasTom.张红和汤姆一样高。2)比较级(用于两者之间的比较)常用结构:形容词比较级+than...HeistallerthanI.他比我高。Gram
2、mar3)最高级(用于三者或三者以上的比较),常用结构:the+形容词的最高级+of/in...Heisthetallestofthethree.他是这三个人中最高的。Heisthefunniestinhisclass.他是他们班最有趣的。形容词、副词比较级和最高规则变化和不规则变化。规则变化1)一般情况下,单音节或双音节的形容词(或副词)比较级+er,最高级+est如:clever-cleverer-cleverestfew-fewer-fewestsmall-smaller-smallest等。2)以e结尾的词,比较级+r,最高级+st即可。如:nice-nicer-nicestc
3、ute-cuter-cutestlarge-larger-largest3)以辅音字母+y结尾的变y为i+er或est如:easy-easier-easiesthappy-happier-happiest再如:early,busy,heavy,dirty,lazy也如此。4)双写最后一个辅音字母+er或est的词,同学要用心去记。fat-fatter-fattest2.thin-thinner-thinnest3.hot-hotter-hottest4.red-redder-reddest5.wet-wetter-wettest6.big-bigger-biggest5)多音节和部分双
4、音节的词需要在形容词原级前+more构成比较级,+themost构成最高级。如:beautiful-morebeautiful-themostbeautiful又如:delicious,popular,important,interesting,expensive,creative双音节的词如:careful-morecareful-themostcarefuluseful-moreuseful-themostuseful少数单音节词也是这样,如:pleased-morepleased-themostpleasedtired-moretired-themosttiredb)不规则变
5、化:good—better—bestwell—better—bestbad-worse-worstmany,much—more—mostfar—farther—farthest(距离远)far—further—furthest(程度深)old—elder—eldest(长幼)old—older—oldest(年龄)Oneofthem____endangereda_____intheworldisthegiantpanda.Thereareonlyabout1,600left.(剩下)ostnimals1.玻璃杯里还剩下一点水。2.我们还剩下一点时间。Thereisalittlewate
6、rleftintheglass.Wehavealittletimeleft.Exercise:1.Thebiggestd______intheworldistheSahara.2.Theriveristood______toswimin.3.Chinaisoneoftheoldest__________(文明)intheworld.desertdirtybamboocivilizations4.Thes______ofthefastestanimalis120kilometersperhour.5.-Whats______doyouneedforyourcoat?-Iwantalarg
7、eone.speedsize单项选择。()1.Mybrotheris_____moreoutgoingthanme.A.manyB.littleC.much()2.October12thwasoneof______daysin2005.Shenzhou-VIwaslaunched(发射)successfully.A.excitingB.moreexcitingC.themostexciting()3.Whichcityis______,Beij
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