Unit6Grammar名詞單復(fù)數(shù)課件牛津譯林版七年級(jí)英語(yǔ)上冊(cè)

Unit6GrammarCountable（可數(shù)）&Uncountable（不可數(shù)）NounsLead-in:Whatdidyoueatlastweek?......PresentGrammar:NounsCountableNounsUncountableNounsCountablenouns:Acountablenounissomethingwecancount

（數(shù)）.Countablenouns:Singular單數(shù)

Plural復(fù)數(shù)What’sthedifference（不同）?Singularcountablenouns:anapplean

orangean

eggacakea

busa

lemonWeuseaoranbeforeasingularcountablenoun.SingularCountablenounsDiscussion:Whenshouldweuseanbeforeasingularcountablenouns?Moreexamples:anhour[a??]anuncle/aunt[???kl][ɑ?nt]Thereisa“u”andan“s”intheword“use”.anapple[??pl][es][?ju?]SingularCountablenounsIfthenounstartswithaconsonant(輔音)sound,weuse‘a(chǎn)’.Ifthenounstartswithavowel(元音)sound,weuse‘a(chǎn)n’.Thefirstsoundofawordisimportant,notthefirstletters“aeiou”![i:]、[i]、[?:]、[?]、[u:]、[u]、[?:]、[?]、[ɑ:]、[?]、[e]、[?]、[ei]、[ai]、[?i]、[??]、[u?]、[i?]、[au]、[?u]ATEST:1._____oldbike2._____talltree3._____orangecoat4.______university5.half______hour6._____Englishbook7._____Americanboyaanaananananana[i:]、[i]、[?:]、[?]、[u:]、[u]、[?:]、[?]、[ɑ:]、[?]、[e]、[?]、[ei]、[ai]、[?i]、[??]、[u?]、[i?]、[au]、[?u]Howtoformapluralcountablenouns?可數(shù)名詞變復(fù)數(shù)Rule1:Singular（單數(shù)）Plural（復(fù)數(shù)）pear-pears

lemon-lemons

watermelon-watermelons

hamburger-hamburgers可數(shù)名詞一般是直接在名詞后面加sRule2:day--daystoy--toysholiday--holidaysmonkey--monkeysSingularpluralstory--storiescity--citiescandy--candiesbaby--babies輔音字母+y結(jié)尾的：y+ies元音字母+y結(jié)尾的：y+sRule3:piano—pianosradio—radiosphoto—photoszoo—zoos

Singularpluralbus—busesclass—classesdish—disheswish—wishes以字母s,

x,sh,ch結(jié)尾的單詞，變?yōu)閺?fù)數(shù)時(shí)在其后加esRule4:

watch—watchesmatch—matchesbox—boxesfox—foxes

Singularpluralhero—heroespotato—potatoesmango—mangoestomato—tomatoes以O(shè)結(jié)尾的，表示有生命的名詞,復(fù)數(shù)后面加es沒有生命的物體，復(fù)數(shù)加

s.英雄愛吃土豆芒果西紅柿Rule5:Singularpluralwife—wives（妻子）

knife—knives（刀）wolf—wolves（狼）

thief—thieves（小偷）shelf—shelves（架子）

self—selves（自己）life—liveshalf—halvesleaf—leaves（樹葉）以f或fe結(jié)尾的單詞，

通常把f或fe變成ves,妻子持刀來砍狼，小偷聽了發(fā)了慌，躲到架后保己命，半片樹葉遮目光。othernouns:miceSingular

manmousefoottoothchildsheepfishmenfeetteethchildrensheepPluralfishSummary:SingularPlural1.Mostnouns（大部分名詞）2.Nounsendinginaconsonant（輔音）

+y

3.Nounsendingin

s,x,sh,ch

4.Nounsendingino5.Nounsendinginforfe+s-y+ies+es+sor+es-forfe,+vesothernounsuncountablenouns:breadfourpiecesofbreadwateraglassofwaterriceabagofricejuicethreebottlesofjuicepieceglassbagbottleThewaytoform(構(gòu)成方式）：a/an+單數(shù)量詞+of+不可數(shù)名詞>1的數(shù)字+復(fù)數(shù)量詞+of+不可數(shù)名詞Whatnounscanbeputbeforeauncountablenouns?chocolateporksaltmilkteachickenhairpearlmilkteaThinking:Rememberthesewordsbowl碗packet（?。┌黚ag（大）包kilo=kilogram千克；公斤carton盒can聽；罐子

barofchocolatepacketofsalt

cartonsofmilk

cupsofteaplatesofchickenhandfulofhairSayitinEnglish:atwoathreeafourAtthesupermarket:FillintheblanksMillie:Mum,whatdoweneedtobuy?Mum:Weneedsome(1)________,a(2)________of(3)________anda

(4)________of(5)________.Millie:

Doweneedtobuy(6)__________.Mum:

Yes.Let’sbuysome(7)________and(8)________.Millie:Iwanttobuysome(9)________.They’reGrandpa’sfavoutite.Andwe

haveonlyan(10)________athome.Weneedtobuysometoo.Mum:OK.Wecanalsobuyafew(11)________of(12)________.chickenbagricepacketsaltvegetablescarrotspotatoesorangesapplebottlesjuiceSummary:Whathaveyoulearnt?Makingamindmap:名詞可數(shù)名詞單數(shù)輔音音素開頭的+aadog,abanana,amango元音音素開頭的加+ananapple,anegg,anhour復(fù)數(shù)1.一般情況下直接加scakes,carrots,lemons2.輔音字母+y結(jié)尾的單詞：變y為i加esbabies,stories3.以s,x,sh,ch結(jié)尾的單詞+esbuses,boxes,matches,wishes4.以o結(jié)尾有生命+esheroes,potatoes,mangoes,tomatoes無生命+sphotos,,pianos,videos,radios5.以f或fe結(jié)尾的單詞去f/fe+veswives,selves,wolves,halves不可數(shù)名詞