【英语】新目标七年级上：名词单数变复数专练课件ppt新目标七年级上.ppt

Welcome!,名词单数变复数,Somefurnitureverynice.Many(人）（be）intheclassroom.Someboysplaybasketball,boysplayping-pong.,is,people,are,other,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。,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?,-Whatsthat?,-ItsanEnglishbook.,-TheyareEnglishbooks.,-Whatarethose?,-Whatsthat?,-Itsamap.,-Theyaremaps.,WhatsthisinEnglish?,Itsanapple.,Whatarethese?,Theyaretwoapples.,-Whatarethese?,-Whatsthis?,-Itsapen.,-Theyarepens.,-Whatarethese?,-Whatsthis?,-Itsaruler.,-Theyarerulers.,-Whatsthis?,Itsawatch.,-Whatarethese?,-Theyarewatches.,-Whatsthis?,Itsatomato.,-Whatarethese?,-Theyaretomatoes.,-Whatsthis?,Itsastrawberry.,-Whatarethese?,-Theyarestrawberries.,-Whatsthis?,Itsadictionary.,-Whatarethese?,-Theyaredictionaries.,oranges,pens,-Whatrethese?,keys,-Theyre.,watches,tomatoes,-Whatrethese?-Theyre.,strawberries,dictionaries,-Whatrethese?-Theyre.,-Whatrethose?-Theyre.,maps,backpacks,books,单数,复数,可数名词,如何变化？,规则变化,1.一般情况下，直接在词尾加-s构成复数形式。,map,backpack,maps,backpacks,book,books,1.,name,pen,card,ruler,names,pens,cards,rulers,box,2.以s,x,ch,sh等结尾的名词，在词尾加-es构成复数形式。,boxes,class,classes,watch,watches,brush,brushes（刷）,2.,bus,buses,foxes,dishes,3.以o结尾的名词，有的加-s,有的加-es构成复数形式。,photo,photos,heroes,tomatoes,zoos,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:potato,tomato,hero,巧记:英雄爱吃土豆炖西红柿。,4.以“辅音字母+y”结尾的名词，应改y为i，再加es。,family,families,dictionaries,strawberry,strawberries,以“元音字母+y”结尾的名词，直接在词尾加-s构成复数形式。,boy,boys,day,days,key,cities,strawberries,keys,Sumup:P95,1.一般情况下,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,desksmaps,rulerspens,classes,watches,oranges,cats,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-,birds,ladies,oranges,rulers,cats,boys,girls,cases,wives,watches,trees,keys,questions,beds,heroes,friends,families,dictionaries,photos,cards,leaves,parties,cups,thisthatIyouhe/she/itam/is,these,those,we,you,they,are,单数复数,句子单数变复数Thisisabook.Thatisaneraser.Itisaredapple.Iamaboy.He/Sheisateacher.Whatsthis?,Thesearebooks.Thoseareerasers.Theyareredapples.Weareboys.Theyareteachers.Whatrethese?,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?,Thankyou!,5.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