小学名词变复数.ppt

名词名词名词：是指人或事物名称的词。名词：是指人或事物名称的词。名词名词专有名词专有名词China普通名词普通名词个体名词个体名词book集体名词集体名词family物质名词物质名词water抽象名词抽象名词work不可数名词不可数名词可数名词可数名词名词变复数A bookThis is a book.This is a chinese book.These are some books.Whats this?What are these?Its a book.They are books.Whats this in English?Its an apple.What are these?They are two apples.-What are these?-Whats this?-Its a pen.-They are pens.-What are those?-Whats that?-Its an English book.-They are English books.bagswatchesorangespens-Whatre these?-Theyre .mapscaseskeys-Whatre those?-Theyre .This_.These_.is a treeare two treesare some trees名词变复数名词变复数1一般在名词后面加上一般在名词后面加上“s”:bookbooks，bagbags 2以以s,x,sh,ch，等结尾的词加，等结尾的词加“es”:busbuses，watchwatches3以辅音字母以辅音字母y结尾的词，变结尾的词，变y为为i加加es，babybabies以元音字母以元音字母 y结尾的名词变复数时，直接加结尾的名词变复数时，直接加s变复数，变复数，boy boys以以o 结尾的名词结尾的名词变复数(a）加）加s的名词的名词photophotos，pianopianos，radioradios，zoozoos(b）水果、蔬菜、人这样的单词加）水果、蔬菜、人这样的单词加espotatopotatoes(土豆土豆)tomatotomatoes（西红柿）（西红柿）mango-mangoes(芒果芒果)Negro-negroes(黑人）黑人）hero-heroes（英雄）（英雄）黑人英雄喜欢吃土豆、西红柿和芒果。黑人英雄喜欢吃土豆、西红柿和芒果。（简称两人两菜）（简称两人两菜）以f或或fe结尾的名词结尾的名词变复数去掉去掉f，fe 加加ves half（一半）（一半）halves knife（小刀）（小刀）knives leaf（树叶）（树叶）leaves wolf（狼）（狼）wolves wife（妻子）（妻子）wives life（生活）（生活）lives thief（小偷）（小偷）thieves“小偷小偷”(thief)的的“妻子妻子”(wife)用用“刀刀子子”(knife)和和“树叶树叶”(leaf)把把“狼狼”(wolf)劈成两劈成两“半半”(half)。(二二)不规则变化不规则变化男人女人男人女人 a 变变 e，鹅鹅足牙足牙 oo 变变 ee；man-men;woman-women;goosegeese;foot-feet;tooth-teeth老鼠虱子也好老鼠虱子也好记记，ous 变变 ic；mouse-mice;louse-lice孩子加上孩子加上 ren，鱼鱼鹿鹿绵绵羊不用羊不用变变child-children;fish;deer;sheepthis-these(这些)that-those(那些)将下列名词变复数（练习）将下列名词变复数（练习）1、orange 2、bus 3、book _4、box 5、piano 6、child _ 7、leaf 8、bed 9、country _ 10、balcony 11、boy 12、foot _ 13、potato 14、photo 15、man _ 16、baby 17、tomato 18、watch _ 19、woman 20、knife 22、sheep_ balconiesboysfeetpotatoesphotosmenbabiestomatoeswatcheswomenknivessheepbooksboxeschildrenpianosleavesbedsbusesorangescountries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 单数单数 复数复数1.There are so many_(leaf)on the trees.2.It has two _(study)in the rooms.3.These _(tomato)are red.4.There is some _(water)in the glass.5.My brother looks after two _(baby)练习练习leavesstudiestomatoeswaterbabies句子单数变复数句子单数变复数1.This is a book.2.That is an eraser.3.It is a red apple.4.I am a boy.5.He/She is a teacher.6.Whats this?These are books.Those are erasers.They are red apples.We are boys.They are teachers.Whatre these?复数句子复数句子变单数句子数句子 These are dictionaries.单数数一般疑一般疑问句句,并作肯定回答并作肯定回答划划线提提问 This is a dictionary.Are these dictionaries?Yes,they are.What are these?Sumup:1.一般情况下一般情况下,直接在名词词尾加直接在名词词尾加-s.2.以以s,x,sh,ch结尾的名词结尾的名词,在词尾加在词尾加-es.3.以辅音字母加以辅音字母加y结尾的名词，要变结尾的名词，要变y为为i再加再加-es.5.以以f或或 fe结尾的名词，先将结尾的名词，先将f或或 fe变为变为v,再加再加-es.6.以以o结尾的名词结尾的名词,表示无生命事物的名词加表示无生命事物的名词加-s,表示有生命事物的名词加表示有生命事物的名词加-es。4.以以“元音字母元音字母+y”结尾的名词，直接在词尾加结尾的名词，直接在词尾加-s.