名词单数变复数 show.ppt

名词单数变复数 Thisisapen Thesearepens That sanEnglishbook ThoseareEnglishbooks backpacks watches oranges pens What rethese They re maps cases keys What rethose They re 名词单数变复数 一 规则变化 1 加s 2 以s x ch sh结尾的名词加es 3 以辅音字母加y结尾的名词 先改y为i 再加es mothers fathers sisters brothers buses boxes watches family familiesdictionary dictionaries 区别key keysboy boystoy toys 名词单数变复数后s es的读音1 在清辅音后读 s 2 在元音和浊辅音后读 z 3 在 s z t d 后读 iz 4 在 t 后读 ts 在 d 后读 dz desksmaps brotherspens classes watches oranges cats friends Game apples buses watches leaves babies tomatoes pencil boxes boys knives apple bus watch leafe baby tomato pencil box boy knife Let sRead 二 不规则变化 4 单复数同形 不变 sheep 绵羊 deer 鹿 fish 鱼 2 man womanmen womenwomendoctors 1 以o结尾两菜加es potatoes 土豆 tomatoes 西红柿 Chinese 中国人 Japanese 日本人 6 ooee foot 脚 tooth 牙齿 goose 鹅 5 以f fe结尾的 变f为v 再加es wife 妻子 knife 小刀 shelf 架子 leaf 叶子 wolf 狼 3 child 孩子 children pendeskkeyboxknifecardorangeboyfriendparentmotherfathersisterbrothersondaughtercousinfamilychildmanpencilcasesheep s s s s es knives s s s s s s s s s s s families children men s sheep 句子单数变复数Thisisabook Thatisaneraser Itisaredapple Iamaboy He Sheisateacher What sthis Thesearebooks Thoseareerasers Theyareredapples Weareboys Theyareteachers What rethese this that I you he she it am is these those we you they are 单数复数 一 写出下列单词的复数I 2 am 3 he 4 pencil 5 watch 6 dictionary 7 man 8 it 9 parent 10 boy we are they pencils watches dictionaries men they parents boys 二 句型转换1 Thisismymother 1 变否定句2 变一般疑问句 并作肯定回答 Thisisnotmymother Isthisyourmother Yes it sheis 2 Thatisacar 1 变否定句2 划线提问3 变复数句 Thatisnotacar What sthat Thosearecars 3 That sanEnglishdictionary 1 变否定句2 变一般疑问句 并作否定回答 That snotanEnglishdictionary IsthatanEnglishdictionary No itisn t 4 Herfamilyname sSmith 5 Myjacketislightblue 6 is that brother my Dave组词成句 划线提问 划线提问 What sherfamilyname Whatcolorisyourjacket Thatismybrother Dave 句型转换1 What sthis 复数 What rethese 2 He saChineseboy 复数 They reChineseboys 3 Thisisabike 否定句复数句一般疑问句 并作肯定回答 Thisisnotabike Thesearebikes Isthisabike Yes itis 4 Thatismybrother 否定句一般疑问句 并作否定回答 Thatisnotmybrother Isthatyourbrother No it heisn t 5 Thesearedictionaries 单数一般疑问句 并作肯定回答划线提问 Thisisadictionary Arethe