广东省增城市小楼中学八年级英语上册 Module 2 Science and technology Unit 4 Inventions Grammar课件 （新版）牛津深圳版.ppt

grammarunit4 lookatthesentences 1 withthelightbulds peoplecandoasmanythingsintheeveningastheycaninthedaytime 2 aftertheinventionofthewheel travellingbecamefasterandmorecomfortable 3 thewheelisperhapsthegreatestinventioninhistory 原级 最高级 比较级 形容词比较级和最高级规则变化 1 great few 2 wide nice 3 big fat 4 happy heavy 5 difficult beautiful 单音节形容词的比较级和最高级形式是在词尾加 er和 est 以 e结尾的单音节形容词的比较级和最高级是在词尾加 r和 st 以一个辅音字母结尾其前面的元音字母发短元音的形容词的比较级和最高级是双写该辅音字母然后再加 er和 est 以 y结尾 但 y前是辅音字母的形容词的比较级和最高级是把 y改i 再加 er和 est 双音节和多音节形容词的比较级和最高级需用more和most加在形容词前面 greater greatest fewest fewer 原级 比较级 最高级good well many much bad badly ill little far 形容词前如加less和least则表示 较不 和 最不 important 重要 lessimportant 较不重要 leastimportant最不重要 最不重要 形容词比较级和最高级不规则变化 better best more most worse worst less least farther further farthest furthest 形容词比较级和最高级用法 1 原级 同级 比较 as as notas so as we llgiveyouasmuchhelpaswecan sheisn tas so goodatsportsasbefore 2 比较级 表示两者之间比 更 可用状语much alittle even等修饰 hemadefewermistakesthanidid heisevenricherthani 3 高级 形容词最高级前必须加the 副词最高级前常省略the 后面多用of in 短语表示范围 itwasthemost leastinterestingstory heisthetallestofthethree lookattheschoolreport readaaloudandfinisha1 两者 三者或三者以上 gotabettermark paulgotabettermarkinsciencethanmartin alicegotaworsemarkinsciencethaneric gotaworsemark gotthebestmark daisygotthebestmarkinscience a2 lookatthemapandanswer a2 lookandanswer 两者 两者 三者或三者以上 三者或三者以上 as as 否定notas so as readandworkouttherule many much lookandfinishb1 isashighas isnotasdeepas arenotaswideas lookandfinishb2 throwawayasmuch as throwawayasmuch as as as don tthrowawayasmuch don tthrowawayasmany moreexercises 原级 1 thisboxis thatone a heavythanb soheavythanc heavierasd asheavyas 2 whenwespeaktopeople weshouldbe a aspoliteaspossibleb aspoliteaspossiblyc aspolitelyaspossibled aspolitelyaspossibly 3 thisbookis thatone but thanthatone a asdifficultas expensiveb asmoredifficultas moreexpensivec asdifficultas moreexpensived moredifficultas asexpensive 4 ithinkthestoryisnotso asthatone a interestingb interestedc moreinterestingd mostinteresting d a c a 1 ithinkscienceis thanjapanese a muchimportantb importantc muchmoreimportantd moremuchimportant 2thispencilis thanthatone a longestb longc longerd aslong 3mymotherisno young a shorterb longerc littled few 4thesechildrenare thisyearthantheywerelastyear a moretallb moretallerc verytallerd muchtaller 5itwasveryhotyesterday butitis today a evenhotterb morehotterc muchmorehotd muchhot moreexercises 比较级 c c b d a 6 whichdoyoulike teaorcoffee a wellb betterc bestd most 7 thisworkis formethanforyou a difficultb mostdifficultc muchdifficultd moredifficult 8 whichdoyouthinktastes thechickenorthefish a goodb betterc bestd well 9 thegreatpyramidisabout137metreshightoday butitwasonce a higherb highestc hightood morehigh 10 mrsblackhasgot insteadofgettinganybetter a morebadb alittleworsec muchbadlyd alotofworse d b b a b moreexercises 最高级 1 tomisoneof boysinourclass a tallestb tallerc thetallestd thetall 2 englishisoneof spokenintheworld a theimportantlanguagesb themostimportantlanguagesc mostimportantlanguaged themostimportantlanguage 3 beijingisoneof inchina a thelargestcityrb thelargecitiesc thelargercitiesd thelargestcities 4thetreeis inthegarden a thetallerb thetallestc tallerthanofalld tall 5 whichlanguageis english frenchorjapanese a easyb themosteasyc theeasiestd muchmoreeasy 6 whichis interesting science mathsorenglish a moreb themostc veryd too c b d b c b 1 great greater greatestfew fewer fewest2 wide wider widestnice nicer