牛津译林版八年级英语上册:Unit 1 Friends 第四课时 ppt课件
pptx
2021-08-25 10:47:28
11页
Unit1Friends第4课时,long—longer—longestheavy—heavier—heaviestslim—slimmer—slimmestinteresting—moreinteresting—mostinteresting,大多数形容词具有三个等级:原级、比较级和最高级。一、构成方式形容词比较级一般是在原级上加er,最高级一般是在原级上加est。具体说来:,1.单音节词和部分双音节词一般在词尾加er/estshort-shorter-shortest以字母e结尾的形容词加r/stlarge-larger-largest以辅音字母加y结尾的双音节形容词,先把y改为i,再加er/esteasy-easier-easiest以一个辅音字母结尾的重读闭音节词,先双写最后一个辅音字母,再加er/estbig-bigger-biggestfat-fatter-fattest,2.多音节和部分双音节形容词在词前加上more和most构成比较级和最高级。如:careful—morecareful—mostcarefulimportant—moreimportant—mostimportant3.不规则变化:good/well-better-bestmany/much-more-mostbad/ill-worse-worstlittle-less-leastfar-farther-farthestfar-further-furthestold-older-oldestold-elder-eldest,二、基本用法1.两者比较,我们用比较级,常有“A+be+形容词比较级+than+B”或“Who/Whichis+形容词比较级,AorB?”等结构。eg:TomisstrongerthanJack.汤姆比杰克强壮。Whichismoreimportant,healthorwealth?健康和财富,哪一个更重要?,2.三者或三者以上的比较,我们用最高级,常有“A+be+the+形容词最高级”这样的结构。其中形容词最高级前通常加the。后面可用of(in)短语等来说明比较的范围。eg:Heisthetallestofthefourboys.在这四个男孩中,他的个子最高。,另外,“oneofthe+形容词最高级+名词的复数形式”也是最高级的常用结构,意思是“最……之一”。eg:Beijingisoneofthemostbeautifulcitiesintheworld.北京是世界上最美的城市之一。,用所给词的适当形式填空1.Thisbookisnotas_________(interest)asthatone.2.Bettylooksmuch_________(slim)thanbefore.3.Dad,youarecarryingthe________(heavy)bagofthethree.4.—Doyouthinkthefilmisagoodone?—Yes.Ithinkitisthe_________(good)filmthisyear.interestingslimmerheaviestbest,5.—Whoisthe_________(busy)inyourfamily?—Mymotheris.Sheisalwaysas________(busy)asabee.6.Thisstoryisbad,butthatoneis_________(bad).7.Doyouknowthefamous_________(swim)name?8.What'sthe_________(high)ofthatwall?9.—What'sthe_________(weigh)oftheelephant?—Abouttwotons.(苏州)10.Henry'spaintingskillis_______(good)thanAndrew's.busiestbusyworseswimmer'sheightweightbetter,本节课主要学习了以下知识点,请同学们及时巩固练习:形容词的比较级和最高级