Unit4OurWorldTopic1What’sthestrongestanimalsonthefarm?SectionA第1頁1.Thecomparativeandsuperlativedegreesofadjective.

形容詞比較級、最高級規則改變及使用方法。（-er/est）2.Talkingaboutanimalsanddescribingnature.Teachingaims第2頁cowcountrysiden.農村，鄉下horsehenWhatcanweseeinthecountryside?第3頁sheepsomesheepWhatcanweseeinthecountryside?第4頁goosesomegeeseWhatcanweseeinthecountryside?第5頁mousesomemiceWhatcanweseeinthecountryside?第6頁countrysideTheairisfresh.Theskyisblue.Thetreesaregreen.Theriverisclear.It’squietinthecountryside.第7頁Theairisdirty.Theriverisdirty.cityThebuildingsaretall.Theroadsarewide.Thetrafficisbusy.It’snoisyinthecity.第8頁Theairinthecountryside

is______Theskyinthecountryside

is______Theriverinthecountryside

is______Thetreesinthecountrysideare_______thanthose

inthecity.

It’s________inthecountrysidethaninthecity.thanthatinthecity.

greenerquieterfresherbluerclearer第9頁DoesWangWeilikethecountrysideorthecity?Now,watchtheflashof1a,andfindouttheanswer.視頻1a-P811a第10頁

1Findoutkeyphrases考慮在鄉村大自然美暑假必定很有趣2Findoutthekeysentences你在想什么？我在想….你喜歡鄉下嗎？我非常喜歡我認為鄉下比城市更平靜多3Finish1cGroupWork

Discussthequestionsinyourgroupandfindouttheanswers第11頁WangWeilikesthecountrysideverymuchbecausehethinkstheairis_________,theskyis_______andtheriversare________there.Michaelthinksthecountrysideismuch________thanthecity,too,sopeoplecanenjoythebeautiesofnature.WangWeigoestothecountrysideeveryyearforhissummerholiday.fresherbluerclearer

quieterListenagainandfillintheblanks.Thenreaditaloud.所填單詞有什么特點？第12頁單音節及部分雙音節形容詞比較級（-er）和最高級

（-est）規則改變。AdjectivestrongtallnicebraveComparativestrongernicerSuperlativestrongestnicestAdjectivebigfatthinlazyuglyComparativebiggerlazierSuperlativebiggestlaziest以下形容詞比較級和最高級改變有什么規律？2b第13頁單音節及部分雙音節形容詞比較級（-er）和最高級（-est）規則改變。1.普通在詞尾直接加er/est:tall—taller—tallest2.以e結尾單詞去e加er/est:wide—wider—widest3.以輔音字母加y結尾單詞，把y改成i,再加

er/est:busy—busier—busiest以重讀閉音節結尾，且末尾只有一個輔音字母單詞，雙寫末尾輔音字母，再加er/est:big—bigger—biggest,(fat,thin,red,hot)第14頁單音節及部分雙音節形容詞比較級（-er）和最高級（-est）規則改變。AdjectivestrongtallnicebraveComparativestrongernicerSuperlativestrongestnicestAdjectivebigfatthinlazyuglyComparativebiggerlazierSuperlativebiggestlaziest以下形容詞比較級和最高級改變有什么規律？

taller

tallest

braverbravest

fatterfattestthinnerthinnest

uglierugliest2b第15頁Doyouhaveanyquestions?第16頁寫出以下形容詞比較級和最高級。short______________small_____________large_______________late______________happy______________easy_______________hot_______________hard_______________cute________________dirty______________拓展練習第17頁smallbigThemicearesmallerthanthehens.Thehensaresmallerthanthegeese.Themice

arethesmallest

ofall.<<？？第18頁>>Thehens

arebiggerthan

themice.Thegeese

arebiggerthan

thehens.Thegeese

arethebiggest

ofall.smallbig？？第19頁thinTheducksarealittlethinnerthanthegeese.<Theducksaremuchthinnert