第2課時GrammarRules單元語法突破課時學(xué)習(xí)目標(biāo)：1.掌握形容詞、副詞比較級和最高級的變化規(guī)則；2.能夠正確使用形容詞、副詞的比較級和最高級。語法探究：形容詞、副詞的比較級和最高級一、形容詞、副詞比較級和最高級的概念比較級：“更……”，用于兩者之間的比較，用來說明“前者比后者更……”最高級：“……是最……的”，用于三個或三個以上的人或事物進(jìn)行比較Shesingsbetterthanme.Infact,shesingsthebestinourclass.她比我唱歌好。事實上，在我們班，她唱歌最好。二、形容詞、副詞的比較級和最高級的用法1.變化規(guī)則形容詞、副詞的比較級和最高級在形式上有規(guī)則變化和不規(guī)則變化兩種。(1)規(guī)則變化口訣：直變化規(guī)則：單音節(jié)詞，通常直接加er/est例詞：tall—taller—tallest口訣：去變化規(guī)則：以不發(fā)音的e結(jié)尾，去e，加er/est例詞：nice—nicer—nicest口訣：雙變化規(guī)則：以重讀閉音節(jié)結(jié)尾，雙寫尾字母，再加er/est例詞：big—bigger—biggest口訣：改變化規(guī)則：以“輔音字母+y”結(jié)尾，改為i，加er/est例詞：easy—easier—easiest口訣：加變化規(guī)則：多音節(jié)詞，前面加more或most例詞：important—moreimportant—mostimportant(2)不規(guī)則變化原級：good/well比較級：better最高級：best原級：many/much比較級：more最高級：most原級：bad/badly/ill比較級：worse最高級：worst原級：little比較級：less最高級：least原級：old比較級：older/elder最高級：oldest/eldest原級：far比較級：farther/further最高級：farthest/furthest2.形容詞、副詞的比較級句型(1)“A+謂語動詞/系動詞+形容詞或副詞比較級+than+B.”ThisboyisyoungerthanI.這個男孩年紀(jì)比我小。Linglingdrawsbetterthanherbrother.玲玲畫得比她哥哥好。[注意]在比較級前有時可加一些修飾語,如much,alot,alittle,still,even等以示強(qiáng)調(diào)或加強(qiáng)語氣。Thisboxisalittleheavierthanyours.這個箱子比你的要稍重一些。Thismovieismuchmoreinterestingthanthatone.這部影片比那部有趣得多?！癆+謂語動詞/系動詞+the+形容詞或副詞最高級(+范圍).”[注意]在句子前面或后面可以加上表示范圍的介詞短語或從句。Ofallthestudentsinmyclass,shewritesthemostcarefully.在我班里所有的學(xué)生中,她寫得最仔細(xì)。練習(xí)題一、形式轉(zhuǎn)換：寫出下列形容詞或副詞的比較級和最高級形式。原級比較級最高級1.tall____________________2.nice____________________3.big____________________4.easy____________________5.important____________________6.good/well____________________7.many/much____________________8.bad/badly____________________9.little____________________10.far____________________二、單項選擇：從A、B、C、D四個選項中選擇最佳答案。1.Thisboxis__________thanthatone.A.moreheavierB.muchheavierC.moreheavyD.heaviest2.Ofallthestudents,Maryruns__________.A.fastB.fasterC.thefastestD.mostfast3.Thisstoryis__________thanthatone.A.interestingB.moreinterestingC.mostinterestingD.themostinteresting4.Whois__________,TomorMike?A.tallB.tallerC.tallestD.thetallest5.Thismovieis__________interestingofthethree.A.moreB.themoreC.themostD.most6.Theweatherisgetting__________.A.badandbadB.worseandworseC.worstandworstD.theworst7.Ihave__________booksthanyou.A.fewB.fewerC.fewestD.thefewest8.HespeaksEnglish__________thanI.A.wellB.betterC.bestD.thebest9.Thisis__________songIhaveeverheard.A.beautifulB.morebeautifulC.themostbeautifulD.mostbeautiful10.The__________youpractice,the__________youwillspeak.A.much,wellB.more,betterC.most,bestD.many,good三、用所給詞的適當(dāng)形式填空。1.Thisquestionis__________(easy)thanthatone.2.Whojumps__________(high)inyourclass?3.Mysisteristwoyears__________(old)thanme.4.Thisis__________(interesting)bookIhaveeverread.5.Heworks__________(hard)thanbefore.6.Thesunis__________(big)thantheearth.7.Whichis__________(heavy),anelephantoratiger?8.Ofallthesubjects,IlikeEnglish__________(well).9.Todayis__________(cold)thanyesterday.10.Shesings__________(beautifully)thanhersister.四、改錯題：下列句子各有一處錯誤，請找出并改正。1.Thisbagismorecheaperthanthatone.__________2.Heisthetallerboyinourclass.__________3.Whoismoreolder,yourfatheroryourmother?__________4.Thisisthemostbeautifulestpicture.__________5.Sherunsmorefasterthanme.__________6.Thismovieisbestthanthatone.__________7.Ofthetwogirls,sheistheyoungest.__________8.Hestudiesmorehardthanhisbrother.__________9.Thisboxisheaviestthanthatone.__________10.Whoisthebeststudent,Tom,MikeorJohn?__________五、句式轉(zhuǎn)換：根據(jù)要求改寫句子，每空一詞。1.Tomistall.Mikeistaller.(合并為一句)Mikeis____________________Tom.2.Thisbookisinteresting.Thatbookismoreinteresting.(合并為一句)Thatbookis______________________________thisone.3.Lucyisthebestsingerinourclass.(改為比較級)Lucysings______________________________studentinourclass.4.Theyellowbagis50yuan.Thebluebagis60yuan.(合并為一句)Theyellowbagis____________________theblueone.5.NoothersubjectismorepopularthanEnglishinourclass.(改為最高級)Englishis______________________________subjectinourclass.6.Ihavemanybooks.Youhavemorebooks.(合并為一句)Youhave__________books__________I.7.Thisproblemislessdifficultthanthatone.(改為同義句)Thisproblemis______________________________thanthatone.8.Herunsfast.Irunfaster.(合并為一句)Irun____________________he.9.Thisisthemostexpensivedressintheshop.(改為比較級)Thisdressis______________________________anyotherdressintheshop.10.Myroomisclean.Yourroomiscleaner.(合并為一句)Yourroomis____________________mine.六、完成句子：根據(jù)漢語意思完成英語句子。1.這個箱子比那個箱子重得多。Thisboxis____________________thanthatone.2.他是我們班最高的學(xué)生。Heis______________________________inourclass.3.黃河是中國第二長的河流。TheYellowRiveris______________________________riverinChina.4.這本書比那本書有趣多了。Thisbookis______________________________thanthatone.5.越早越好。____________________,____________________.6.在所有的水果中，我最喜歡蘋果。__________allthefruits,Ilikeapples__________.7.今天比昨天冷一點。Itis______________________________todaythanyesterday.8.她英語說得比她哥哥好。ShespeaksEnglish____________________herbrother.9.這是我聽過的最美的音樂。Thisis______________________________musicIhaveeverheard.10.兩者中哪一個更大？Whichis____________________ofthetwo?

參考答案及解析一、形式轉(zhuǎn)換1.taller,tallest2.nicer,nicest3.bigger,biggest4.easier,easiest5.moreimportant,mostimportant6.better,best7.more,most8.worse,worst9.less,least10.farther/further,farthest/furthest二、單項選擇1.B(heavy的比較級是heavier，用much修飾比較級)2.C(ofallthestudents是三者以上，用最高級)3.B(interesting是多音節(jié)詞，比較級前加more)4.B(TomorMike是兩者比較，用比較級)5.C(ofthethree是三者，用最高級)6.B(比較級and比較級，表示“越來越……”)7.B(few的比較級是fewer)8.B(well的比較級是better)9.C(Ihaveeverheard是最高級范圍，beautiful是多音節(jié)詞)......(the比較級...,the比較級...，表示“越……，越……”)三、用所給詞的適當(dāng)形式填空1.easier(easy的比較級)2.thehighest(inyourclass是最高級范圍)3.older(old的比較級)4.themostinteresting(Ihaveeverread是最高級范圍)5.harder(hard的比較級)6.bigger(big的比較級)7.heavier(兩者比較用比較級)8.(the)best(ofallthesubjects是最高級范圍)9.colder(兩者比較用比較級)10.morebeautifully(beautifully是多音節(jié)副詞，比較級前加more)四、改錯題1.morecheaper→cheaper