可數(shù)名詞復(fù)數(shù)變化學(xué)案

可數(shù)名詞的復(fù)數(shù)構(gòu)成適用學(xué)科英語適用年級初一適用區(qū)域外研社版課時(shí)時(shí)長（分鐘）1課時(shí)/60分鐘知識點(diǎn)名詞的分類；2.可數(shù)名詞單數(shù)變的復(fù)數(shù)形式的規(guī)則；3.不規(guī)則名詞的復(fù)數(shù)構(gòu)成.學(xué)習(xí)目標(biāo)能力：1、能分清可數(shù)名詞和不可數(shù)名詞。2、能夠掌握5條可數(shù)名詞變單數(shù)變成復(fù)數(shù)的規(guī)則。3、考題中能夠輕松處理不規(guī)則名詞的復(fù)數(shù)形式。學(xué)習(xí)重點(diǎn)常見的不可數(shù)名詞；2.可數(shù)名詞的單復(fù)數(shù)變化規(guī)則學(xué)習(xí)難點(diǎn)1、不可數(shù)名詞沒有復(fù)數(shù)形式；2、不規(guī)則名詞的復(fù)數(shù)構(gòu)成學(xué)習(xí)過程一、課堂導(dǎo)入老師將下列句子呈現(xiàn)給學(xué)生，學(xué)生跟著老師讀下列句子，并對比前后兩句話中劃線部分的不同。1.Therearesomanyboxesonthefloor.Therearesomuchwateronthefloor.2.Ilikeeatingfish.Ilikekeepsomedifferentkindsoffishinmyfishtank.知識點(diǎn)2：規(guī)則可數(shù)名詞復(fù)數(shù)的構(gòu)成規(guī)則①一般情況下，在單數(shù)名詞詞尾直接加—s。在清輔音后讀|s|,在元音和濁輔音后讀|z|如：map→maps,boy→boys,horse→horses,table→tables.②s,,x,sh,ch結(jié)尾的詞加es,讀|iz|如：class→classes,box→boxes,dish→dishes,bench→benches.③以輔音字母加y結(jié)尾的名詞,變y為i,再加es。如：family→families,city→cities,party→parties.注意：以元音字母+y結(jié)尾的詞，直接加s.boy_boys④以o結(jié)尾的名詞a.一般情況下直接加s,讀|z|photo_photospiano_pianosb.少數(shù)加es，讀|z|hero–heroes,negro–negroes,tomato–tomatoes,potato–potatoes（巧記：英雄和黑人愛吃西紅柿和土豆）④以f或fe結(jié)尾的名詞a.一般將f或fe為v,再加es，讀|vz|如：shelf→shelves,wolf→wolves,life→lives,knife→knives.（wife，knife，wolf,thief,shelf,self,life,half,leaf）b.有些直接加s,讀|s|roof＿roofs,safe＿safes1.【考查點(diǎn)】規(guī)則名詞的復(fù)數(shù)形式如：a.Thereisaboxonthedesk.→Therearesomeboxesonthedesk.(寫出劃線部分的復(fù)數(shù)形式)b.Thereisapotatoinmybasket.→Thereare2potatoesinmybasket.(同上)c.Ilikethecityverymuch.→Ilikethesecitiesverymuch.(同上)2.【考查點(diǎn)】名詞作定語如：—Whatkindofporridgewouldyoulike,Alice?Iwouldlikeeggporridge.3.【考查點(diǎn)】名詞在語境中的辨析如：Therearesome___C___onthefloor.A.milk B.child C.boxes

知識點(diǎn)3：不規(guī)則名詞復(fù)數(shù)的構(gòu)成⑴變內(nèi)部元音：man-men,woman-women,tooth-teeth⑵單復(fù)數(shù)同形：fish,sheep,deer,Chinese,jin（斤）yuan(元)⑶無規(guī)則變化：mouse-mice,child-children1.【考查點(diǎn)】不規(guī)則名詞的復(fù)數(shù)形式如：Thereare3fishinthefishtank.Myparentshave2children.2.【考查點(diǎn)】表示某國人時(shí)的復(fù)數(shù)形式如：德國人：Germans;英國人：Englishmen

四、例題精析【例題1】【題干】—Doyouthinktheofthisskirtsuitsme?—Ofcourse!Youalwayslookbeautifulinred.A.sizeB.designC.priceD.color【答案】D【解析】考查名詞的辨析。size“尺寸”；design“設(shè)計(jì)”；price“價(jià)格”；color“顏色”。由答語“當(dāng)然了！你穿著紅色總是很漂亮。所以選擇答案D。

【例題2】【題干】—Wouldyoulikesome_______?—No,thanks.I’mnothungryatall.A.water B.soup C.orange D.bread【答案】D【解析】考查名詞詞義辨析。water“水”；soup“湯”；orange“橘子”；bread“面包”。由下文句意“不，謝謝。我一點(diǎn)也不餓?！笨芍衔脑儐枌Ψ绞欠癯阅硺?xùn)|西。故選D。

【例題3】【題干】Moreandmorepeoplewouldliketogoonvacationabroad.Theyshouldremembertobe________withgoodmanners. A.visitors B.players C.volunteers【答案】A【解析】考查名詞詞義。題意：越來越多的人想去國外度假，他們應(yīng)該牢記要做一個(gè)有禮貌的游客。visitors游客；players運(yùn)動(dòng)員；volunteers自愿者。根據(jù)題意選A。

【例題4】【題干】—Wherearethe______students?—Theyareplayingfootballwith______studentsfromHilltopA.boys，/ B.boys,the C.boy,/ D.boy,the【答案】D【解析】考查名詞作定語和冠詞的用法。一般而言，作定語用的名詞都是單數(shù)形式，第二空后的students特指HilltopSchool的學(xué)生，故前面加冠詞the，所以選擇答案D。五、課堂運(yùn)用【基礎(chǔ)】1.——Someonecalledyoujustnow.——Iknow.ButIwasbusyatthatmoment.WhenIcalledback,therewasno______.A.voice B.sound C.answer D.result2.—Doyouhaveany?—Yes,Ilikechessanddramabest.A.jobs B.duties C.hobbies D.problems3.—Mum,I’veheardthatwecan’teat______thesedays.Isittrue?—Takeiteasy.Itissafetoeatcookedmeat.A.chickenB.chickensC.achickenD.thechicken【鞏固】4.—WhereisThomas?—Helefta.A.informationB.messageC.news5．——Whatwouldyouliketodrink,girls?——________please.A.Twoglassofwater B.TwoglassofwatersC.Twocupsoftea D.Twocupsofteas6.—Arethereany______inyourschool?—Yes,thereare.A.GermenB.Germans C.German7.Thestudentsdidn’tfindmuch________aboutthetopiconthatwebsite.A.reportB.article C.information D.story【拔高】8.ThemountainIvisitedlastSundayisn’tvery________.Few________gosightseeingthere. A.tourist;tourists B.touristy;tourist C.touristy;tourists D.tourist;tourist9.Inthisexam,you’reaskedtowriteacompositionofabout______. A.90-words B.90-word C.90words D.90word’s10.Isawsome________and________dancinginthestreetthedaybeforeyesterday.A.Germen;EnglishmenB.Germans;English