小學(xué)名詞變復(fù)數(shù)ppt課件

.,1,名詞,名詞：是指人或事物名稱的詞。,名詞,專有名詞China,普通名詞,個體名詞book,集體名詞family,物質(zhì)名詞water,抽象名詞work,不可數(shù)名詞,可數(shù)名詞,.,2,名詞變復(fù)數(shù),AbookThisisabook.Thisisachinesebook.,Thesearesomebooks.,Whatsthis?,Whatarethese?,Itsabook.,Theyarebooks.,.,3,WhatsthisinEnglish?,Itsanapple.,Whatarethese?,Theyaretwoapples.,.,4,-Whatarethese?,-Whatsthis?,-Itsapen.,-Theyarepens.,.,5,-Whatarethose?,-Whatsthat?,-ItsanEnglishbook.,-TheyareEnglishbooks.,.,6,bags,watches,oranges,pens,-Whatrethese?-Theyre.,.,7,maps,cases,keys,-Whatrethose?-Theyre.,.,8,This_.,These_.,isatree,aretwotrees,aresometrees,.,9,名詞變復(fù)數(shù),1一般在名詞后面加上“s”:bookbooks，bagbags2以s,x,sh,ch，等結(jié)尾的詞加“es”:busbuses，watchwatches3以輔音字母y結(jié)尾的詞，變y為i加es，babybabies以元音字母y結(jié)尾的名詞變復(fù)數(shù)時，直接加s變復(fù)數(shù)，boyboys,.,10,以o結(jié)尾的名詞變復(fù)數(shù),(a）加s的名詞photophotos，pianopianos，radioradios，zoozoos(b）水果、蔬菜、人這樣的單詞加espotatopotatoes(土豆)tomatotomatoes（西紅柿）mango-mangoes(芒果)Negro-negroes(黑人）hero-heroes（英雄）,黑人英雄喜歡吃土豆、西紅柿和芒果。（簡稱兩人兩菜）,.,11,以f或fe結(jié)尾的名詞變復(fù)數(shù),去掉f，fe加veshalf（一半）halvesknife（小刀）knivesleaf（樹葉）leaveswolf（狼）wolveswife（妻子）wiveslife（生活）livesthief（小偷）thieves,“小偷”(thief)的“妻子”(wife)用“刀子”(knife)和“樹葉”(leaf)把“狼”(wolf)劈成兩“半”(half)。,.,12,(二)不規(guī)則變化男人女人a變e，鵝足牙oo變ee；man-men;woman-women;goosegeese;foot-feet;tooth-teeth老鼠虱子也好記，ous變ic；mouse-mice;louse-lice孩子加上ren，魚鹿綿羊不用變child-children;fish;deer;sheepthis-these(這些)that-those(那些),.,13,將下列名詞變復(fù)數(shù)（練習(xí)）,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,.,14,給下列可數(shù)名詞加復(fù)數(shù),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,.,15,thisthatIyouhe/she/itam/is,these,those,we,you,they,are,單數(shù)復(fù)數(shù),.,16,Therearesomany_(leaf)onthetrees.2.Ithastwo_(study)intherooms.3.These_(tomato)arered.4.Thereissome_(water)intheglass.5.Mybrotherlooksaftertwo_(baby),練習(xí),leaves,studies,tomatoes,water,babies,.,17,句子單數(shù)變復(fù)數(shù)Thisisabook.Thatisaneraser.Itisaredapple.Iamaboy.He/Sheisateacher.Whatsthis?,Thesearebooks.Thoseareerasers.Theyareredapples.Weareboys.Theyareteachers.Whatrethese?,.,18,復(fù)數(shù)句子變單數(shù)句子Thesearedictionaries.單數(shù)一般疑問句,并作肯定回答劃線提問,Thisisadictionary.,Arethesedictionaries?Yes,theyare.,Whatarethese?,.,19,Sumup:,1.一般情況下,直接在名詞詞尾加-s.,2.以s,x,sh,ch結(jié)尾的名詞,在