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HuanCaolinMiddleSchool-----AngGuanhuan名词单数和复数可数名词和不可数名词可数名词(1)(2)(3)(4)定义:是可以计数的名词。可数名词前可以用a,an限定。可数名词前可以用one,two,three…限定。可数名词有复数形式。连系动词be是表示谓语关系的动词,在一般现在时中,be动词有三种形式am(用在第一人称单数,即I后),is(用在第三人称单数,即he,she,it后),are(用在第二人称you以及第一、第三人称复数we、they后)。含有be动词的一般现在时的疑问句是将be动词提到句首,否定句是在be动词后加not.用isaream填空1.That___ajacket.It___red.2.Those___baseballs.They____white.3.This___myquilt.It___red.4.Helen___agirl,she__myfriend.5.ThatisTony.He___myuncle.6.What___this?It___amap.7.What___these?They___oranges.8.I___aboy.Myname___Jack.9.How___you?I___fine,thanks.isisareareisisisisisisisareareamisaream可数名词和不可数名词不可数名词(1)(2)(3)(4)定义:是指不能计数的名词。不可数名词前不可以用a,an限定。不可数名词前不可以用one,two,three…限定。不可数名词没有复数形式。--Whatarethose?--What’sthat?--It’sanEnglishbook.--TheyareEnglishbooks.--Whatarethose?--What’sthat?--It’samap.--Theyaremaps.What’sthisinEnglish?It’sanapple.Whatarethese?Theyaretwoapples.--Whatarethese?--What’sthis?--It’sapen.--Theyarepens.--Whatarethese?--What’sthis?--It’saruler.--Theyarerulers.--What’sthis?It’sawatch.--Whatarethese?--Theyarewatches.--What’sthis?It’satomato.--Whatarethese?--Theyaretomatoes.--What’sthis?It’sastrawberry.--Whatarethese?--Theyarestrawberries.--What’sthis?It’sadictionary.--Whatarethese?--Theyaredictionaries.orangespens--What’rethese?keys--They’re….watchestomatoes--What’rethese?--They’re….strawberriesdictionaries--What’rethese?--They’re….--What’rethose?--They’re….mapsbackpacksbooks单数复数可数名词如何变化?规则变化不规则变化规则变化1.一般情况下,直接在词尾加-s构成复数形式。mapbackpackmapsbackpacksbookbooks1.namepencardrulernamespenscardsrulersbox2.以s,x,ch,sh等结尾的名词,在词尾加-es构成复数形式。boxesclassclasseswatchwatchesbrushbrushes(刷)sxShch2.busbusesfoxesfox(狐狸)dish(盘子)dishes3.以“辅音字母+y”结尾的名词,应改y为i,再加es。familyfamiliesdictionariesdictionarystrawberrystrawberrieskeycitiesstrawberrieskeyscity(城市)strawberry(草莓)4.以O结尾的名词:表示无生命事物的名词,词尾加-s,表示有生命事物的名词,词尾加-es。加-es的名词有:potatoes,tomatoes,heroes巧记:英雄爱吃土豆炖西红柿。其他:photos,zoos等5.以“元音字母+y”结尾的名词,直接在词尾加-s构成复数形式。boyboysdaydaysoayy5.以f或fe结尾的名词,先将f或fe变成v,再加-es构成复数形式。knifekniveshalfhalves6.wivesleaveswolveswife(妻子)leaf(树叶)wolf(狼)roof(屋顶)roofsroof“小偷”(thief)的“妻子”(wife)用“刀子”(knife)和“树叶”(leaf)把“狼”(wolf)劈成两“半”(half)。巧记:•Sumup:P951.一般情况下,直接在名词词尾加-s.2.以s,x,sh,ch结尾的名词,在词尾加-es.3.以辅音字母加y结尾的名词,要变y为i再加-es.以“元音字母+y”结尾的名词,直接在词尾加-s.4.以o结尾的名词,表示无生命事物的名词加-s,表示有生命事物的名词加-es。名词单数变复数后s/es的读音desksmapsrulerspensclasses,watches,orangescats,friends/s//z//iz//dz/1.在清辅音后读2.在元音和浊辅音后读3.在/s//z//∫//t∫//d/后读4.在/t/后读/ts/,在/d/后读给下列可数名词加复数.*bird--card--*lady--orange--ruler--photo--friend--boy--watch--girl--case--*cat--*wife--*tree--key--bed--*hero--family-dictionary--question--*leaf--*party--*cup--birdsladiesorangesrulerscatsboysgirlscaseswiveswatchestreeskeysquestionsbedsheroesfriendsfamiliesdictionariesphotoscardsleavespartiescupsthis–that–I–you–he/she/it–am/is–thesethoseweyoutheyare单数复数句子单数变复数1.Thisisabook.2.Thatisaneraser.3.Itisaredapple.4.Iamaboy.5.He/Sheisateacher.6.What’sthis?Thesearebooks.Thoseareerasers.Theyareredapples.Weareboys.Theyareteachers.What’rethese?复数句子变单数句子Thesearedictionaries.单数一般疑问句,并作肯定回答划线提问Thisisadictionary.Arethesedictionaries?Yes,theyare.Whatarethese?
本文标题:(英语新目标七年级上:名词单数变复数专练课件新
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