八年級下冊形容詞副詞對比級與最高級復習教案

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1.Targetlanguages:mastertherulesofthecomparisonofadjectivesandadverbs.

2.Abilitygoals:understandtherulesofthecomparisonofadjectivesandadverbs.3.Emotiongoals:usethecomparisonofadjectivesandadverbscorrectlyinthepractice.

重點：

Helpthestudentslearntherulesofthecomparisonofadjectivesandadverbs.

難點：

Howtomakeabreakthroughwhiledoingtheexercises.

教具：

Blackboard,multimedia

教法：

Discussion,Explanation學法：Discussion,practice

教學過程：

Step1leadin

Givestudentsseveraladjectivesandadverbsandaskthemtowritedowntheircomparativeandthesuperlativedegreeforms.

slow(slower,slowest),brave(braver,bravest),big(bigger,biggest),happy(happier,happiest),beautiful(morebeautiful,mostbeautiful)Step2Presentation

1.Studentslearntherulesoftheregularchangeoftheadjectivesandadverbsindividually,andthenseveralstudentsexplainthepointstothewholeclass.Atlasttheteachercorrectstheirmistakes.構成法原級比較級最高級一般單音節(jié)詞未尾加-er,-esttalltallertallest以不發(fā)音的e結尾的單音詞和少數(shù)以-lenicenicernicest結尾的雙音節(jié)詞只加-r,-st[來源學科網]以一個輔音字母結尾的閉音節(jié)單音節(jié)詞，雙寫結尾的輔音字母，再加-er,-est\以輔音字母+y\結尾的雙音節(jié)詞，改y為i，再加-er，-est少數(shù)以-er,-ow結尾的雙音節(jié)詞未尾加-er,-estbigbusyclever/narrowbiggerbusierbiggestbusiestcleverer/cleveresnarrowert/narrowest其他雙音節(jié)詞和多音節(jié)詞，在前面加importanmoremostmore，most來構成比較級和最高級t/easilyimportanimportat/morent/mosteasilyeasily2.Studentsworkingroupstodiscusstheirregularrulesoftheadjectivesandadverbs,andtheteachergivesthemthehelpintimeandshowthepointsasfollowing:原級比較級最高級goodbetterbestwell（健康的）bad,badlyworseworstill（有病的）oldolder/elderoldest/eldestmuch/manymoremostlittlelessleastfarfarther/furtherfarthest/furthestStep3Practice

Givestudentsseveralminutesfinishtheexerciseson65,andtheteachercheckstheanswersinthewholeclass.Step4Summary

Thestudentstrytosummarizethekeypointswiththehelpoftheteacher.Step5.Askstudentstoreviewtheexpressionsofadjectivesandadverbs:

形容詞、副詞原級的用法：用于同等事物相比較，表示相等或不等，用原級進行比較時，尋常用as構成的句型：as…as，notas…as，notso…as.

1）…as+形容詞、副詞原級+as…，表示\與…一樣，例如：Thetreeisastallasthatbuilding.

2）…as+形容詞+（a）+名詞+as…HewantstobeasgreatascientistasNewton.3）表示倍數(shù)：倍數(shù)+as+原級+asThisroomisthreetimesasbigasthatone.4）…notas/so+原級+as…，表示\與…不一樣\Hecannotrunas/sofastasyou.

Step2Presentation

1.Studentslearnthecomparativedegreeofadjectivesandadverbsonthegrammarandunderlinethekeypointsatthesametime.

2.Theteacherstressestheimportantpointsafterstudents’self-learning.

Points:1）用于兩個事物相比較。比較級+than表示出A比B更…Heiscleverthanhissister.

注意：比較級前可加表示程度的狀語，如：abit,alittle,rather,much,far,byfar,many,alot,lots,agreatdeal,any,still,even等。

2)the+形容詞比較級…，the+形容詞比較級，表示\越…就越…\:Actually,thebusierheis,thehappierhefeels.

3）比較級+and+比較級，表示\越來越…\e.g.Ourcityhasbecomemoreandmorebeautiful.

4)“the+比較級+of+兩個人或物〞表示“兩者中較……的一個〞e.g.Heistaller

[來源學科網][來源學科網]ofmytwobrothers.

5)“…times+比較級+than…〞表示“比……大（多、長、寬、高等）……倍〞e.g.Youare5minuteslaterthanI.

3.Studentsworkingroupstodiscussthesuperlativedegreeoftheadjectivesandadverbs,andexplainthekeypointstothewholeclassonebyone.Thentheteachergivesthemhelpintime.Key:最高級的用法：1)三個或三個以上的事物的比較用\最高級\結構表示“最〞之意。e.g.：OneofthegreatestkillersintheWesternworldisheartdisease.2）形容詞的最高級前應加定冠詞the，但假使最高級之前有物主代詞，則不要加the。e.g.:Pleasesendusthegoodsatyourearliestconvenience.

3）假使不和別的事物相比較，也不必在最高級前加the。e.g.：IambusiestonMonday.

4）有時最高級表示\十分\之意，這時可加不定冠詞a/an。e.g.：Thisisamosttouchingstory.Step3Practice

Studentsdotheexerciseson67onthegrammarbookindividually,andchecktheanswersingroups.Thentheteachercorrectsthemistakesofeachgroup.Step4Summary

Thestudentstryt