Unit+3+單元語法++形容詞和副詞比較級(jí) 人教版英語八年級(jí)上冊(cè)

形容詞和副詞的比較級(jí)比較級(jí)的含義形容詞和副詞有三個(gè)等級(jí):原級(jí)、比較級(jí)和最高級(jí)。其中比較級(jí)用于兩者之間的比較，表示前者比后者更(不)……2比較級(jí)的構(gòu)成(1)規(guī)則變化（五個(gè)字就搞定了!）直 直接加-er，fast→faster: 去 以不發(fā)音的e結(jié)尾，去e加-er，nice→nicer; 雙 以重讀閉音節(jié)“輔元輔”結(jié)尾，雙寫末尾輔音，再加-er，big→bigger:改 以“輔音字母+y”結(jié)尾，改y為i,再加-er. busy→busier;more 多音節(jié)詞和部分雙音節(jié)詞，前加more. important→moreimportant.(2)不規(guī)則變化口訣：兩多兩好三不好，一老一遠(yuǎn)加一少兩多 many/much→more兩好good/well→better 三不好(壞) bad/badly/ill→worse一老old→older/elder 一遠(yuǎn)far→farther/further 一少little→less3比較級(jí)的常用句型結(jié)構(gòu)(1)A+be動(dòng)詞+形容詞比較級(jí)+than+B.A+實(shí)義動(dòng)詞十副詞比較級(jí)+than+B. A比B… 例:ChinaislargerthanItaly. (2) “比較級(jí)+and+比較級(jí) ”"moreandmore+原級(jí)” 表示“越來越……” 例:It'sgettinghotterandhotter.天氣越來越熱。Theworldbecomesmoreandmorebeautiful.世界變得越來越美麗。(3)“the+比較級(jí)，the+比較級(jí)”表示“越……越……”例:Themore,thebetter.(4)A+be動(dòng)詞+the+比較級(jí)+ofthetwo(+可數(shù)名詞復(fù)數(shù)).A是兩者中較……的。例:Mybrotheristhetallerofthetwoboys. 我哥哥是這兩個(gè)男孩中較高的那一個(gè).(5)疑問詞+be動(dòng)詞+形容詞比較級(jí)，AorB?疑問詞十實(shí)義動(dòng)詞十副詞比較級(jí)，AorB? 例:Whichislonger.therulerorthepencil?哪一個(gè)更長(zhǎng)，直R還是鉛筆?比較級(jí)的其他用法(1)同級(jí)比較的句型“as+形容詞或副詞原級(jí)+as”表示兩者在某一方面相同"notas/so+形容詞或副詞原級(jí)+as”表示一方在某一方面不及另一方例:Todayisashotasyesterday.今天和昨天一樣熱。Hedoesn’tstudyas/sohardashisbrother.他學(xué)習(xí)不如他弟弟努力。(2)倍數(shù)的表達(dá)1倍:once:2倍:twice:≥3倍:基數(shù)詞+timesA+be動(dòng)詞+倍數(shù)+as+原級(jí)+as+B. 1583 例:Thisbedistwiceasbigasthatone.這張床和那張床的兩倍一樣大。 2.A+be動(dòng)詞+倍數(shù)+形容詞比較級(jí)+than+B. 例:Theboxisthreetimesbiggerthanthatone.這個(gè)箱子比那個(gè)箱子大三倍。3.A+be動(dòng)詞+倍數(shù)+the+名詞(size、height、length、 1889 weight.width...)of+B.例:Thisstreetisfourtimesthelengthofthatstreet(3)比較級(jí)的修飾詞1."much/alot/far+比較級(jí)”意為“……得多’例:I'mmuchmoreoutgoingthanher.我比她外向得多。2."alittle/abit+比較級(jí)”意為“稍微……"例:Thisboxisabitheavierthanthatone.這個(gè)箱子比那個(gè)重一點(diǎn)。3.“even+比較級(jí)”意為“甚至……例:Thisdressisevenmorebeautifulthanthatone.這條裙子甚至比那條更漂亮。形容詞和副詞比較級(jí)I.單項(xiàng)填空 專項(xiàng)練習(xí) ()1.MydaughterAnnais____thanmysonJack.outgoingB.moreoutgoingC.themostoutgoingD.outgoinger()2.一Whichis_____,theblueoneortheredone?-Theblueone.A.good B.better C.best D.thebest ()3.一CouldyoutellmewhyyoulearnEnglishsowell?-It'sverysimple.___youstudy,_____gradesyouwillget.A.Theharder;better B.Theharder;thebetter C.Harder;better D.Harder;thebetter ()4.I'mproudofEzhou,ourhomeland.-SoamI.Itisbecoming A.moreandmorebeautifullyB.morebeautifulandbeautifulC.moreandmorebeautiful D.morebeautifullyandbeautifully ()5.一Ithinkit'snecessarytolearnhowtoworkingroups.—Iagree.Sometimesit'seven___thangrades.A.moreimportant B.lessimportant C.theleastimportant D.themostimportant ()6.ThegirlsbridgeinShanghaiis_____otheroneinChina.A.long B.thelongestC.longest D.longer ()7.Thisstreetismuch___thanthatone.A.Wide B.wider C.widest D.thewidest ()8.一CanIkeepthebookalittle_____?-Sorry.Youhavetoreturnitontime.ShorterB.biggerC.longerD.smaller()9.It'snotas_____asIthought.A.hard B.harder C.hardest D.thehardest ()10.Itwasahundredtimes_____thanI'dexpected.A.fun B.morefun C.themostfunD.funny 二..寫出下列形容詞或副詞的比較級(jí)。1.quiet__________2.interesting________3.quickly________ 4.much_________5.easy___________ 6.wet______________7.well__________ 8.fine__________9.friendly_________10.important___________ 三．根據(jù)句意，用括號(hào)中所給單詞的適當(dāng)形式填空。1.EveryonethinksPeteris_(funny)thanhisbrother.2.Mr.Green'ssecondsonisas____(smart)ashisfirstson.3.Whosings___________(clearly),TomorNancy? 4.Bothmygrandpaandgrandmaareeightyyearsold,butmygrandmais___(healthy).5.Ofthetwogirls,IfindLucythe__________(good). 6.The____(hard)youstudy,the___(good)gradesyouwil