七年級上冊名詞單數(shù)變復(fù)數(shù)ppt課件.ppt

名詞變復(fù)數(shù)句子 Thisisanapple Thatismysister be動詞表示 是 有三個 am is are 我 I 用am 你 you 用are Is用于他 he 她 she 它 it 單數(shù)后跟is 復(fù)數(shù)人稱全部都用are 單數(shù) 復(fù)數(shù) weyoutheythesethose Iyouhe she itthisthat amareisisis areareareareare Thisisanorange Theseareoranges Thatisapencil Thosearepencils Thisismygrandfather Thisismygrandmother Thesearemygrandparents Thisismymother Thisismyfather Thisismybrother Thisismybrother too Thesearemyparents Thesearemybrothers 把下列句子單數(shù)變成復(fù)數(shù) 1 Thisisabook 2 Thatisanorange 3 Thisismypencil 4 Thatisherquilt 5 Isthisyourwatch 6 Isthathisdictionary 7 Itismymap 8 That shisring Thesearebooks Thoseareoranges Thesearemypencils Thoseareherquilts Aretheseyourwatches Arethosehisdictionaries Theyaremaps Thosearehisrings 把下列句子變成復(fù)數(shù) 1 Thisismysister 2 Thisishercousin 3 Thatishisbrother 4 Thatismygrandparent 把下列句子變成單數(shù) 1Thesearemyfriends 2 Thosearehisparents 3 Thosearehersisters 4 TheseareLiLing sbrothers Thesearemysisters Thesearehercousins Thosearehisbrothers Thosearemygrandparents Thisismyfriend Thatishisparent Thatishersister ThisisLiLing sbrother Whatarethese What sthis It sapen Theyarepens Whatarethose What sthat It sanEnglishbook TheyareEnglishbooks backpacks watches oranges pens What rethese They re maps cases keys What rethose They re 名詞單數(shù)變復(fù)數(shù) 一 規(guī)則變化 1 加s 2 加s x ch sh結(jié)尾的名詞加es 3 以輔音字母加y結(jié)尾的名詞 先改y為i 再加es mothers fathers sisters brothers buses boxes watches family familiesdictionary dictionaries 區(qū)別key keysboy boys 二 不規(guī)則變化 4 單復(fù)數(shù)同形 不變 sheep 綿羊 deer 鹿 fish 魚 2 man womanmen women 1 加es potatoes 土豆 tomatoes 西紅柿 Chinese 中國人 Japanese 日本人 6 ooee foot 腳 tooth 牙齒 goose 鵝 5 以f fe結(jié)尾的 變f為v 再加es wife 妻子 knife 小刀 shelf 架子 leaf 葉子 wolf 狼 3 child 孩子 children 男人 婦女 名詞單數(shù)變復(fù)數(shù)后s es的讀音1 在清輔音后讀 s 2 在元音和濁輔音后讀 z 3 在 s z t d 后讀 iz 4 在 t 后讀 ts 在 d 后讀 dz desksmaps brotherspens classes watches oranges cats friends pendeskkeyboxknifecardorangeboyfriendparentmotherfathersisterbrothersondaughtercousinfamilychildmanpencilcasesheep s s s s es knives s s s s s s s s s s s families children men s sheep 句子單數(shù)變復(fù)數(shù)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 單數(shù)復(fù)數(shù) 一 寫出下列單詞的復(fù)數(shù)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 句型轉(zhuǎn)換1 Thisismymother 1 變否定句2 變一般疑問句 并作肯定回答 Thisisnotmymother Isthisyourmother Yes it sheis 2 Thatisacar 1 變否定句2 劃線提問3 變復(fù)數(shù)句 Thatisnotacar What sthat Thosearecars 3 That sanEnglishdictionary 1 變否定句2 變一般疑問句 并作否定回答 That snotanEnglishdictionary IsthatanEnglishdictionary No itisn t 4 Herfamilyname sSmith 5 Myjacketislightblue 6 is that brother my Dave組詞成句 劃線提問 劃線提問 What sherfamilyname Whatcolorisyourjacket Thatismybrother Dave 句型轉(zhuǎn)換1 What sthis 復(fù)數(shù) What rethese 2 He saChineseboy 復(fù)數(shù) They reChineseboys 3 Thisisabike 否定句復(fù)數(shù)句一般疑問句 并作肯定回答 Thisisnotabike Thesearebikes Isthisabike Yes itis 4 Thatismybrother 否定句一般疑問句 并作否定回答 Thatisnotmybrother Isthatyourbro