八年级上册英语 Unit 3 PPT 课件.ppt

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1、Unit3I’mmoreoutgoingthanmysister.SectionA形容词adj.Heistall.Heisatallman.形容词(adjective)，简称adj.。形容词用来修饰名词或代词，表示人或事物的性质、状态，和特征的程度好坏，与否。副词(adverb)用以修饰动词或加强描绘词组或整个句子的词。Hesingswell.Herunsfast.TrytofindouttheadjectivesandadverbsinSectionAofUnit3.Nowtrytowriteouttheirco

2、mparativeforms.Adjectiveslonggoodtallheavyshortoutgoingfriendlyfunnyhard-workingsmartlazywellloudlyfasthighearlyhardclearlyAdverbs大多数形容词和副词有三个等级：原级、比较级、最高级。一、构成1.构成的不规则变化:eg.good/well–better–bestbad/badly–worse–worstmany/much–more–mostlittle–less–leastfar–farthe

3、r/further–farthest/furthestGrammar:形容词和副词的比较级和最高级二.构成的规则变化:1.单音节词和少数双音节词1)一般在词尾后加-er或-est.如：cold–colder–coldesttall—taller–tallest2)以e结尾的词直接在其后加-r或-st.如：nice—nicer–nicestwhite—whiter–whitest3)重读闭音节词末尾只有一个辅音字母时,先双写这个辅音字母,再加-er或-est。如:big–bigger–biggestthin–thinne

4、r–thinnest4)以“辅音字母+y”结尾的双音节词，先改y为i,再加-er或-est。如：easy–easier–easiesthappy–happier–happiest2.多音节词和部分双音节词在词前加more或most。如：delicious–moredelicious–mostdeliciousinteresting–moreinteresting–mostinterestingComparativeformsnew—big—thin—large—nice—easy—heavy—good—bad—smar

5、t—funny—wild—tall—many—much—well—long—short—small—Readinpairsnew—newerbig—biggerthin—thinnerlarge—largernice—nicereasy—easierheavy—heaviergood—betterbad—worsesmart—smarterfunny—funnierwild—wildertall—tallermany—moremuch—morewell—betterlong—longershort—shortersma

6、ll—smallerLiuXiangistall.PanChangjiangisshort.LiuXiangistallerthanPanChangjiang.PanChangjiangisshorterthanLiuXiangthan比(conj.连词).两者之间比较，用形容词或副词的比较级LiYongismoreoutgoingthanChengLong.Therabbitrunsfasterthantheturtle.Theturtlerunsharderthantherabbit.SummaryCompareA

7、withB:A+Be+adj.比较级+than+B.A+V.+adv.比较级+than+B.tallthinlonghairquietlyloudlyshorthairheavyshort1a.Matcheachwordwithitsopposite!Listenandnumberthepairsoftwinsinthepicture.1b1231c.PairworkThat’sTara,isn’tit?No,itisn’t.It’sTina.TinaistallerthanTara.Andshealsosingsm

8、oreloudlythanTara.TaraTina2a.Listen.Arethewordsintheboxusedwith“-er/ier”or“more”?funny(run)fastfriendly(jump)highOutgoing(work)hardhard-workingsmart(getup)earlylazy-