(形容词的比较级和最高级)PPT课件

-,1,形容词的比较级与最高级,-,2,tall,tallest,taller,heavy,heavier,heaviest,-,3,big,bigger,biggest,delicious,moredelicious,mostdelicious,-,4,cheap-short-quick-,cheaper-shorter-quicker-,cheapestshortestquickest,写出下列形容词的比较级和最高级，并说说有什么规律？,large-late-nice-,larger-later-nicer-,largestlatestnicest,2.以字母e结尾的词加r或-st,1.一般在词尾加er或-est,-,5,heavy-easy-dry-,hot-big-thin-,delicious-interesting-,heaviesteasiestdriest,heavier-easier-drier-,hotterbiggerthinner,hottestbiggestthinnest,moredeliciousmoreinteresting,mostdeliciousmostinteresting,4.以重读闭音节结尾的词末尾只有一个辅音字母应双写辅音字母再加er或est,3.以辅音字母+y结尾的词变y为i再加-er,或-est,5.多音节词和多数双音节词在其前面加more和most,-,6,不规则变化,-,7,形容词比较级的基本用法,1.Thistreeis_thanthatone.,2.Whichtreeis_,thisoneorthatone?,3.TreeAisthe_ofthetwo.,A,4.TreeAis_thananyothertree.,5.TreeAis_thantheothertrees.,taller,taller,taller,taller,taller,TreeAisthetallestofall.,-,8,结构1：比较级+than,Thistreeistallerthanthatone,结构2：比较级,.or?,形容词比较级的基本用法,Whoisyounger,yourmotheroryourfather?,结构3：the+比较级+of短语,Sheisthetallergirlofthetwo.,-,9,Heistallerthananyotherboy.,结构5比较级+thantheother+复数名词,Heistallerthantheotherboys,结构4：比较级+thananyother+单数名词,结构6：倍数+比较级+than.Thisriveris5timeslongerthanthatone.,Heisthetallest.,-,10,betterandbetterfatterandfattermoreandmorebeautiful,结构7.比较级and比较级:越来越,结构8.the比较级,the比较级:越,越,Themore,thebetter.,-,11,(三者或三者以上),那个男孩是我们班最高的.,Theboyisthetallestinourclass.,上海是中国最大的城市.,ShanghaiisthelargestinChina.,形容词最高级的基本用法,1.the+最高级+in/of,-,12,eg:最重要的语言之一是英语。,OneofthemostimportantlanguagesisEnglish.,2.Oneof+the+最高级+名词复数“最的之一”,3.the+序数词+最高级+单数名词+in短语“在中是第几个”,eg:黄河是中国第二长河。,TheyellowriveristhesecondlongestriverinChina.,-,13,形容词比较级和最高级练习I一.用适当形式填空：Bobis_(young)thanFredbut_(tall)thanFredWhichis_(heavy),ahenorachicken?AnniesaysSallyisthe_(kind)personintheworld.Heisoneofthe_(friendly)peopleintheclass,Ithink.TheChangjiangRiveristhe_(long)riverinChina.Isit_(difficult)thanmaths?-Idontthinkso.Hermotherisgetting_(fat)and_(fat).The_(much),the_(good).NowadaysEnglishis_(important)Dicksings_(well),shesings_(well)thanJohn,butMarysings_(well)inherclass.,younger,taller,heavier,kindest,mostfriendly,longest,moredifficult,fatter,fatter,more,