形容词和副词的比较级、最高级的变化规则：1．一般情况，词尾加er,est:great—greater—greatest2．以不发音的e结尾，加r,st:fine—finer—finest3．重读闭音节，双写最后一个辅音加er,est:hot—hotter—hottestthin—thinner—thinnest4．以辅音字母+y结尾，变y为i+er,est:easy—easier–easiestearly—earlier—earliest5．不规则词：good,well—better—bestbad,ill—worse—worstmany,much—more—most二、用法：1.两者相比，有程度上的差别，用“比较级+than“ItishotterinShanghaithaninBeijing.I’mtallerthanyou.Themonkey’stailislongertherabbit’s.2.比较级+比较级，表示“越来越…..”Sheisthinnerandthinner.Theweatheriswarmerandwarmer.3．表示三个或三个以上的比较用“the+最高级”Heisthetallestintheclass.Sheistheoldestofus.三、练习题：（一）写出下列单词的比较级和最高级：nice____________hot_____________cool____________tall____________short_____________long____________big____________small_____________little____________easy____________old_____________strong____________fat____________thin_____________happy____________cold____________warm_____________good____________many__________ill_____________heavy___________（二）填空：1.Yourcapis______(small)thanmycap.2.Tomis__________(tall)inourclass.3.Herbookis________(cheap)thanmybook.4.Tomis_____(thin)thanBetty.5.Johnisshot.Maryisveryshort.(连成一句话)6.Herunfast.Sherunsveryfast.(连成一句话)7.兔子的耳朵比猴子的长。8.我的书包比他的书包重。9.公园比动物园大。一般过去时：表示动作或状态发生在过去。常用的时间有：yesterday,yesterdaymorning,yesterdayeveninglastnight,lastweek,lastyear,lastmonthsixdaysago,tenyearsago,sevenhoursagobe动词的过去时：am,is—wasare---werewasnot=wasn’t,werenot=weren’t肯定句：I，He,She,It+was…….\We,you,They+were…..否定句：I，He,She,It+wasn’t…….\We,you,They+weren’t…..一般疑问句：将was和were提到句首肯定回答：Yes,_____was.\Yes,____were.否定回答：No,____wasn’t.\No,_____weren’t.练习题一：用be动词的适当形式填空：1.I____ateachernow,butI_____astudenttenyearsago.2._____youinShanghailastyear?Yes,I______.3.Tom_____inmyofficeyesterday.He____athomenow.4.Theweather____coldlastmonth.They_____atschool.5.What____theweatherlikelastyear?It___hot.6._____theyillyesterday?Yes,they_____.7.We_____inBeijingtendaysago._____youinBeijing?练习二：将下列句子变为否定句和一般疑问句，并作肯定回答和否定回答1.I’mastudent.2.She’smymother.3.He’sintheoffice.4.Theyarefarmers.5.Iwasillyesterday.6.ShewasinBeijinglastyear.7.Theyweremyfriends.8.Hewasatschoollastweek.9.Itwasverycoollastyear.10.Mymotherisanactress.11.Herfatherwasanactor.12.HissisterwasinHongkong.13.Herbrotherisveryyoung.14.Hisdogisverythin.15.Herdogwasverystrong.16.Wearegoodstudents.17.Weweregoodstudents.18.Mybookisonthedesk.
