Unit+3+Section+A+Grammar+Focus课件【知识精讲精研】人教版八年级英语上册

Unit3I’mmoreoutgoingthanmysister.GrammarFocus学习目标1.学习形容词，副词的定义及基本用法。2.学习形容词副词的比较级和最高级的用法和含比较级,最高级句子的表达。3.巩固练习学程一

lookandsayWeareproudofthem.Theyareheroes.Whatdoyouthinkofthisvideo?wonderfulexcitingstronggreatpowerfultalentedhard-workingAdjectives形容词beautifulnicefantasticG一、形容词和副词的概念形容词：是修饰名词（人或事物），表示名词的性质，特征或属性一种词类。它在句中作定语、表语和宾语补足语。副词：用来修饰动词、形容词及其他副词的词叫副词。副词在句中多作状语.二、形容词和副词的用法①形容词作定语一般放在被修饰2的名词之前。如:anew

book,twobigtrees等。②

形容词放在系动词be,look,get,keep,turn,feel,become,seem,grow,smell等之后。如：1.1amshort.2.Shelooksfine.3.Theyturngreen.③如果形容词修饰不定代词something,anything,everything,nothing等时，要放在不定代词后。如：somethinginterestingnothingnew④副词放在所修饰的动词之后，形容词和副词之前。如果前面是行为动词，则后面用副词。如：1.Sheworkshard.（修饰动词）2.1amverybusy.値饰形容曲）3.Herunstooquickly.（修饰副词）4.Weplayhappily.（修饰薪词）学程二学习形容词副词的原级，比较级，最高级SheisQuanHongchan.Sheisa14-year-olddiver.Sheisthinandyoung.Shehasshorthair.SheisZhangJiaqi.Sheis17yearsold.Sheisofmediumheight.Shelookssolovely.SheisGuoJingjing.Sheis40yearsold.Shehaslonghair.QuanHongchanisyounger

(young)thanZhangJiaqi.ZhangJiaqiisolder

(old)thanQuanHongchan.GuoJingjingistheoldestofthethree.Whoishe?Heisheavier(heavy)thanSuBingtian.SuBingtianrunsfaster

(fast)thanhim.SuBingtianrunsfastest(fast)inthismatch.ChineseWomenfsVolleyballTeamTheyaretall.Heistall.Theyaretallerthanhim.Heisshorterthanthem.YuanXinyueisthetallest

(tall)playerintheteam.DingXiaistheshortest

(short)playerintheteam.Sheisalittlefat.Thepersonisfatter

(fat)thanhenSheisthinner

(thin)thantheperson.Thethirdpersonisthefattest

(fat)ofall.Thefirstpersonisthethinnest

(thin)ofthethree.JapanisthehostcountryfortheOlympicGames.ThisisamapofJapan.Ithinkitisasmallcountry.wwwxhinaxingexomMA'lJ^4»HhI>*««文山壮族曲鹼自治洲-39.41万平方千米Yunnanislarger

(large)thanJapan.Japanissmaller

(small)thanYunnan.中板地闵Whichoneisthelargest,Japan,YunnanorChina?Chinaisthelargest

(large)ofall.三、形容词和副词的等级形容词和副词有三个等级：原级、比较级,最高级1.原级：即形容词和副词的原形。small,good,pretty,big,many,hard,happily,slowly,quickly.⑴程度副词very,tgso,quite等修饰形容词和副词的原级。如：verytall,toohot,socold,quiteinteresting.(2)as...as,(与…一样)notas(so)...as(与…不一样)中间用原级。eg.Thestoryisasinterestingasthatone.ThequestionisnotasIsodifficultasthatone.2.比较级：两个人或物之间的比较。表示“较……”或“更……一些二标志词：than（比）eg.Ithinkhealthismoreimportantthanmoney.Myhairislongerthanhers.句中出现明显的两个比较对象:eg.Whichboy'sbagisheavier,Mike’sorJim’s?Ofthetwoforeigners,MnSmithismorefriendly.Myfatherismoreeasygoingofmyparents.Theyarebothfourteenyearsold,butLucyistaller.注意much,even,still,rather,any,far,alittle,alot,abit等词用来修饰比较级。可以加强语气或表示比较程度。eg.Chinahasbecomemuchstrongerthanbefore.Heisastallasme,buthe'salittleheavier.(1)the+比较级+.+the+比较级表示“越……，就越……”eg.Themoreyoueat,thefatteryouwillbe.Theharderyoustudy,themoreyouwillget.Thesmallerthehouseis,thelessitwillcostThesooner,thebetter.(2)形容词的比较级+and+形容词的比较级(前后形容词是同一个)越来越……eg.Sheisbecomingthinnerandthinner.Ourcountryisbecomingricherandricher.Therearemoreandmorestudentsinourschool.Livingintheworldisbecomingmoreandmoredifficult(3)the+形容词比较级+of短语两者中比较……的一个eg.Sheistheprettierofthetwogirls.Thebikeistheolderofthetwo.Heisthetallerofthetwo.Thisoneisthemorebeautifulofthethetwopictures・（4）如果主语是物主代词+名词，那么后面要用名词性物主代词。eg.Hisshirtismoreexpensivethanmine.Theyaretallerthanhim.（宾格）Heisshorterthanthem.（宾格）(5)比较级必须在同类中进行，即人与人比，物与物比，而且比较结构前后的词语要对称，特别注意在than或as之后不要漏掉可能出现的替代词that,those,one,ones.egeThenewbuildingishigherthantheoldone.Thoseapplesarebiggerthantheseones.TheweatherofBeiiingiscolderthanthat

ofShanghai.(6)比较级表最高级情况：“比其他的任何……都……”比较级+thananyother+单数名词eg.ShanghaiislargerthananyothercityinChina.=ShanghaiisthelargestcityinChina.3.最高级：三个或三个以上的人或物之间的比较。标志词：in+大范围,ofall,of+the+具体的数字表示“最……”的意思。（两者以上用最高级）在形容词的最高级前必须加the;副词之前可以不加。(1)oneof+the+最高级+复数名词eg.Thecityisoneofthemostbeautifulcitiesintheworld.(2)Which/Who...+比较级,AorB?Which/Who...+最高级，A,BorC?eg.Whoisolder,JimorTom?Whoisthetallest,Jim,MikeorTom（3）在使用形容词最高级时，一定要把自己包括在比较的范围内。eg.Maryisthetallestofallthe