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1、第十四讲Unit4What’sthebestmovietheater?形容词的比较级和最高级A.大多数形容词有三个级。(1)原级:常用结构__________像..……一样ZhangHongis__________Tom.(和......一样高)Tomruns__________Jack.(和......一样快)否定形式:“不如/不及..…____________________(2)比较级(用于两者之间的比较)常用结构:______________________________(谁跑得更快),LucyorHanmei?
2、____________________.(他比我高)TinaismoreathleticthanSam.Holly’sbestfriendis__________。(比他更有趣)(3)最高级用于三者或三者以上比较,形容词的最高级前常加定冠词____常用结构:a:____________________是......中最......Eg:Heisthetallestofthethree.活学活用:Heis__________(最有趣的)inhisclass.Theseatsinthemiddleofthecinemaare
3、thebestofall.Johnis__________(最胖的)inhisclass.b:____________________最……之一Eg:KunmingisoneofthemostbeautifulcitiesinChina.活学活用:MrWuis____________________(最友好的老师之一).Heoftenhelpsus.ChangjiangRiveris____________________(最长的河流之一)intheworld.c:特殊疑问词+be+the+最高级,甲,乙or丙?Whois
4、thetallest,Tom,JimorJohn?_____________________________(哪种语言是最困难的),English,JapaneseorChinese?Whichis________________(最好的电影院),TownCinema,ScreenCityorMoviePalace?d:the+序数词+最高级+单数名词+in短语TheYellowriveristhesecondlongestriverinourcountry.《注意》形容词最高级前一般要加定冠词the,但当形容词最高级前有
5、形物代,所有格时,则不能再加the.第12页Pleasegivemybestwishestoyoursister,Lily.ThemonitorsaidlastSundaywashismostunluckydaysinhislife.B.形容词、副词比较级和最高级有规则变化和不规则变化。(a)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。)以e结尾的词,
6、比较级+r,最高级+st即可如:nice-nicer-nicestcute-cuter-cutestlarge-larger-largest3)以辅音字母+y结尾的变y为i+er或est如:容易的---更容易的--- ________________________________ 幸福的---更幸福的--- ________________________________ 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
7、心去记。1.fat-fatter-fattest2.thin-thinner-thinnest3.hot-hotter-hottest4.red-redder-reddest5.wet-wetter-wettest6.big-bigger-biggest5)多音节和部分双音节的词需要在形容词原级前+________构成比较级,+________构成最高级。如:beautiful-morebeautiful-themostbeautiful又:delicious,popular,important,interesting,e
8、xpensive,creative等也是。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-moretr