英语人教版八年级上册Grammar Focus.pptx

《英语人教版八年级上册Grammar Focus.pptx》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Unit4What’sthebestmovietheater?SectionAGrammarFocus（3）学习目标：巩固强化形容词和副词比较级和最高级的基础知识及基本用法；拓展和归纳形容词和副词比较级和最高级的特殊用法Lead-in请看图，并加以描述(big)。Tom’sMary’sBill’sMary’sappleis_______thanBill’sapple.Tom’sappleis________thanMary’sapple.Tom’sappleis_________ofthethree.biggerbiggerthebiggest【想

2、一想】1.big,bigger,biggest分别是什么形式？2.哪些词类有比较级和最高级？3.形容词和副词的比较级和最高级如何构成？见P1141.一般在词尾加-er或-est;2.以字母e结尾的词，在词尾加-r或–st;3.重读闭音节只有一个辅音字母时，先双写该辅音字母，再加-er或–est;4.以“辅音字母+y”结尾的双音节词，先把“y”改为“i”，再加-er或–est;5.多音节词和部分双音节词在词前加more或most.[考考你]规则变化不规则变化good/wellbetterbestbad/badlyworseworstmany/muchm

3、oremostlittlelessleastoldolder/oldestoldest/eldestfarfarther/furtherfarthest/furthestGuideOne形容词和副词比较级和最高级的基本句型形容词和副词的比较级用于_____者之间的比较，其句型可以归纳为：A+be+___________+than+B.A+V+___________+than+B.2.形容词和副词的最高级用于__________________之间的比较，其句型可以归纳为：A+be+___________+in/of…A+V+____________+

4、in/of…两adj.比较级adv.比较级三者或三者以上adj.最高级adv.最高级用最高级时须注意什么？Tomis_____________(happy)thanMary.Tomworks____________(happy)thanMary.happiermorehappilyTomis________(tall)______hisclass.Tomis________(tall)______theboys.Heruns__________(fast)______Class2.Heruns____________(slow)_____thestu

5、dents.thetallestthetallest(the)fastest(the)mostslowlyininofofGuideTwo请问：形容词和副词比较级和最高级还有哪些用法呢?1.比较级的其他用法：(1)比较级and比较级“越来越…”越来越好betterandbetter越来越快fasterandfaster越来越高tallerandtaller越来越长longerandlonger越来越受欢迎越来越漂亮moreandmorepopularmoreandmorebeautiful(2)the+比较级…,the+比较级…“越…就越…”Theh

6、arderyoustudy,thebetteryou’llbe.Theearlieryougetup,thesooneryou’llgetthere.(3)A+be+the+adj.(比较级)+of+n.(表两者)“…中，A较…”Lucyisthetallerofthetwogirls.Jimistheheavierofthetwins.Herfatheris_____________(friendly)ofherparents.thefriendlier(4)…+比较级+than+any+单数名词+……+比较级+than+anyother+单数名词

7、+…Tomistallerthan_____________boyinhisclass.Beijingislargerthan____________cityinFrance.anyotherany(5)Which/Whois+adj.(比较级),AorB?Which/Whois+the+adj.(比较级)+单n.,AorB?Whichislarger,ChinaorAmerica?Whichisthelargercountry,ChinaorAmerica?Whoistaller,TomorJim?Whoisthetallerboy,TomorJi

8、m?【注意】Maryhaslongerhairthan________.(Alice)Mary’shairi