小学名词变复数ppt课件

精选ppt,名词,名词：是指人或事物名称的词。,名词,专有名词China,普通名词,个体名词book,集体名词family,物质名词water,抽象名词work,不可数名词,可数名词,精选ppt,名词变复数,AbookThisisabook.Thisisachinesebook.,Thesearesomebooks.,Whatsthis?,Whatarethese?,Itsabook.,Theyarebooks.,精选ppt,WhatsthisinEnglish?,Itsanapple.,Whatarethese?,Theyaretwoapples.,精选ppt,-Whatarethese?,-Whatsthis?,-Itsapen.,-Theyarepens.,精选ppt,-Whatarethose?,-Whatsthat?,-ItsanEnglishbook.,-TheyareEnglishbooks.,精选ppt,bags,watches,oranges,pens,-Whatrethese?-Theyre.,精选ppt,maps,cases,keys,-Whatrethose?-Theyre.,精选ppt,This_.,These_.,isatree,aretwotrees,aresometrees,精选ppt,名词变复数,1一般在名词后面加上“s”:bookbooks，bagbags2以s,x,sh,ch，等结尾的词加“es”:busbuses，watchwatches3以辅音字母y结尾的词，变y为i加es，babybabies以元音字母y结尾的名词变复数时，直接加s变复数，boyboys,精选ppt,以o结尾的名词变复数,(a）加s的名词photophotos，pianopianos，radioradios，zoozoos(b）水果、蔬菜、人这样的单词加espotatopotatoes(土豆)tomatotomatoes（西红柿）mango-mangoes(芒果)Negro-negroes(黑人）hero-heroes（英雄）,黑人英雄喜欢吃土豆、西红柿和芒果。（简称两人两菜）,精选ppt,以f或fe结尾的名词变复数,去掉f，fe加veshalf（一半）halvesknife（小刀）knivesleaf（树叶）leaveswolf（狼）wolveswife（妻子）wiveslife（生活）livesthief（小偷）thieves,“小偷”(thief)的“妻子”(wife)用“刀子”(knife)和“树叶”(leaf)把“狼”(wolf)劈成两“半”(half)。,精选ppt,(二)不规则变化男人女人a变e，鹅足牙oo变ee；man-men;woman-women;goosegeese;foot-feet;tooth-teeth老鼠虱子也好记，ous变ic；mouse-mice;louse-lice孩子加上ren，鱼鹿绵羊不用变child-children;fish;deer;sheepthis-these(这些)that-those(那些),精选ppt,将下列名词变复数（练习）,1、orange2、bus3、book_4、box5、piano6、child_7、leaf8、bed9、country_10、balcony11、boy12、foot_13、potato14、photo15、man_16、baby17、tomato18、watch_19、woman20、knife22、sheep_,balconies,boys,feet,potatoes,photos,men,babies,tomatoes,watches,women,knives,sheep,books,boxes,children,pianos,leaves,beds,buses,oranges,countries,精选ppt,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,精选ppt,thisthatIyouhe/she/itam/is,these,those,we,you,they,are,单数复数,精选ppt,Therearesomany_(leaf)onthetrees.2.Ithastwo_(study)intherooms.3.These_(tomato)arered.4.Thereissome_(water)intheglass.5.Mybrotherlooksaftertwo_(baby),练习,leaves,studies,tomatoes,water,babies,精选ppt,句子单数变复数Thisisabook.Thatisaneraser.Itisaredapple.Iamaboy.He/Sheisateacher.Whatsthis?,Thesearebooks.Thoseareerasers.Theyareredapples.Weareboys.Theyareteachers.Whatrethese?,精选ppt,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?,精选ppt,Sumup:,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,