形容词和副词的比较级和最高级教案.doc

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1、形容词和副词的比较级和最高级Teachingcontents:BasicusageoftheComparativeandSuperlativedegrees.Teachingobjective:Knowledgegoals:1.Howtochangetheoriginaladjectivesintocomparativeandsuperlativedegrees.2.Howtousethecomparativeandsuperlativedegreestodescribingthings.Abilitygoa

2、ls:1.Grasptherules.2.Usethecomparativeandsuperlativedegreestomakesentences.Moralgoals:caltivatetheSs’goodhabitofcarefulobservation.Teachingimportantpoints:1.ComparativeandSuperlativedegrees2.Howtousethecomparativeandsuperlativedegreestocomparethings.Teachin

3、gdifficultpoints:Masterthesentencepatternsofcomparativeandsuperlativedegrees.Teachingaids:Multi-mediaTeachingtype:NewTeachingtime:forty-fiveminutesTeachingsteps:一.Greetings:二.Let’slearn:1.Havestudentslookatthepicturesontheboard,andfindoutthedifferences.2.Su

4、mmarizetherulesaccordingtothepictures.单音节和少数多音节的形容词和副词的比较级和最高级的构成分规则和不规则。⑴规则变化①一般在词尾加-er/ə/或-est/ist/coldcoldercoldest②以字母e结尾的形容词，加-r或-stlarge----larger----largest③重读闭音节词只有一个辅音字母时，应先双写辅音字母；再加-es或-est④以“辅音字母+y”结尾的双音节词，先改“+y”结尾的双音节词，改“y”为“i”,再加-er或-est多音节词和部分

5、双音节词：在词前加more或most⑵不规则变化：good/well---better----bestbad/badly---worse---worstmany/much---more–mostlittle---less---leastfar—farther/further---farthest/furthest3.Readandremember,anddotheexercises.三.BasicusageoftheComparativeandSuperlativedegrees.1.比较级的基本用法：比较级

6、：两个人或物之间的比较。表示“较……”或“更……一些”。标志词：than(比）Ais/动词+比较级+than+BEg.Summerishot.Summerishotterthanspring.Winteriscold.Winteriscolderthanautumn.Exercises:汤姆比杰克高.TomistallerthanJack.这只箱子要比那只箱子大.Thisboxisbiggerthanthatone.那些苹果比这些大.Thoseapplesarebiggerthantheseones.2.最高

7、级的基本用法：最高级：三个或三个以上的人或物之间的比较。表示“最……”的意思。标志词：inallAis/动词+the+最高级+in/of…Eg.她在所有人当中跳舞跳得最好。Shedancesthebestofall.他是我们班中最小的。Heistheyoungestboyinourclass.他早我们三个中是最高的。Heisthetallestofthethree.Exercises:今天是一年中最热的一天.Todayisthehottestdayoftheyear.他的房间是三个中最干净的一个.Hisroo

8、misthecleanestofthethree.上海是中国最大的城市.ShanghaiisthelargestinChina.四.Readandrecite:1.Ssreadthelanguagepointsandimportantphrasesbythemselves2.Theteacherchecksthecontents.3.Dotheexercisesonthepapers.五.Summa