英语人教版八年级上册Unit4 Section A 3.ppt

Unit14Whatsthebestmovietheater?SectionAGrammarfocous-3c第一课时,2017年6月21日,人教版八年级英语下册,GrammerFocous,形容词、副词比较等级,原级,最高级,比较级,hard,harder,hardest,young,younger,youngest,形容词、副词比较级和最高级的构成：,smarter,smartest,larger,largest,hotter,hottest,earlier,earliest,moreimportant,mostimportant,better,best,(1)讲述某人/某物自身的情况时,用原级，常用very/too/so/quite/rather等修饰。,（2）同级比较时，用原级。,形容词和副词的原级的用法,表示A和B程度相同,表示A不如B,smart,big,carefully,1.Thisroomisnotas/so_asthatone.(big)2.Tomisas_asKate.(smart)3.Lucydidntfinishtheworkas/so_asyou.(careful)4.Myshoesarenotas_asMikes.(expensive)5.OurEnglishteacherisvery_(patient).,patient,Exercise,expensive,形容词副词比较级用法,表示A超过B,表示“越.,越.”,表示“越来越.”,表示两者中较.的一个,表示A比同一范围内的人或物都要。,1.Thiscityismuch_(beautiful)thanbefore.2.Heis_(tall)thananyother_(boy)inourclass.3.Itsgetting_.(越来越冷)4.Thecityisbecoming_.(越来越漂亮）5._（hard)youstudy，_（good)gradesyouwillget.6.Heis_(tall)ofthetwo.,Exercise,morebeautiful,taller,boy,colderandcolder,moreandmorebeautiful,Theharder,thebetter,thetaller,形容词、副词比较级用法小结：1、表示两者之间的比较时用比较级，比较级前常用much,alittle,abit,even和still，alot等修饰.2、当句子中有than时，要用比较级。3、句型结构“the+比较级+ofthetwo.”表示“两者中较那一个”，比较级前要加the。,形容词和副词最高级的用法,表示“A是之中最的”,表示“A是中最之一”,表示“第几最”.,Exercise,1.Heisoneof_(hard-working)studentsinourclass.2.Thisis_(good)giftthatIhavereceived.3.Whichis_(big),thesun,themoonortheearth?4.TheYellowRiveris_(第二长的河）inChina.5.Heis_(popular)singerinourschool.6.Sheisoneofmy_(good)friends.,themosthard-working,thebiggest,themostpopular,thebest,thesecondlongestriver,best,填空,形容词、副词比较级和最高级的用法：1.原级主要的句型：1）as+副词原级+asnotas/so+副词原级+as2）too+副词原级+todosth.3）so+副词原级+that4）副词原级+enoughtodosth.2.比较级的用法：1）比较级+than。当前后使用的动词相同时，通常用助动词来代替后面的动词，该动词或助动词可以省略。2）比较级+and+比较级3）themorethemore3.最高级的用法：最高级前要加定冠词the,但副词最高级前的the，可以省略。,形容词、副词最高级用法小结,1.Billisthe_ofthetwoboys.(old)2.Beijingisoneof_citiesinChina.(large)3.Tomis_ofalltheboys.(tall)4.Thedaysaregetting_and_(long）now.5._(busy)heis,_(happy)hewillfeel.6.Shanghaiislargerthananyother_(city)inChina.7.Ithinkmathisless_(important)thanCh