人教版新目标英语七年级上册新教材unit3课件[1]

Unit3Isthisyourpencil?What’sthisinEnglish?pencil铅笔What’sthisinEnglish?What’sthisinEnglish?pen钢笔It’sapen.book书What’sthisinEnglish?It’sabook.booksWhat’sthisinEnglish?eraser橡皮擦It’saneraser.What’sthisinEnglish?ruler尺子It’saruler.What’sthisinEnglish?pencilbox铅笔盒It’sapencilbox.What’sthisinEnglish?schoolbag书包It’saschoolbag.dictionary字典It’sadictionary.pencil铅笔book书eraser橡皮擦pencilbox铅笔盒schoolbag书包dictionary字典•2alistenandcheck(√)thethingsyouhear.P82blistenandcompleteListenandcompletetheconversationwiththewordsinthebox2beraserspencilrulerpencilboxbooksTom:Excuseme,Grace.Isthisyour?⑴Grace:Yes,thankyou.Andthosearemy.⑵Tom:AndJane,isthisyour?⑶Jane:No,itisn't.It'shers.Tom:OK,andthesearemy.Thisis⑷your,Jane.⑸eraserspencilrulerpencilboxbooksThisisherruler.Isthisherruler?Yes,itis./No,itisn’t.(isn’t=isnot)Thisishispencil.Isthishispencil?Yes,itis./No,itisn’t.(isn’t=isnot)Theseareherbooks.Aretheseherbook?Yes,theyare.No,theyaren’t.(aren’t=arenot)一般疑问句Isthisyourpencil?（肯定回答）Yes,itis.（否定回答）No,itisn’t.lisn’t=isnot特点及注意：1、问句使用升调2、把be动词提前3﹑一般疑问句必须先用yes或no回答.4、肯定回答时，itis不能写成it’s.Thisisaruler.（改为一般疑问句）———————aruler?Thatismyeraser.(改为一般疑问句并做肯定回答）—————————easer?——,————————.NoIsthishisdictionary?(改为陈述句)_______________dictionary.Thatisherbook.(改为一般疑问句并做否定回答)——————herbook?_____,__________.No改错1Isthisabook?Yes,itisn’t.2Isthatyourdictionary?Yes,it’s.3What’sthat?It’sruler.It’saneraser.It’shereraser.It’shers.(hers=hereraser)It’sapencilbox.It’smypencilbox.It’smine.mine=mypencilboxIt’sapencil.It’syourpencil.It’syours.yours=yourpencilIt’saschoolbag.It’shisschoolbag.It’shis.(his=hisschoolbag)形容词性物主代词myyourhisher形容词性物主代词起形容词的作用，用在名词前(举例)名词性物主代词mine(mine=my+名词)yours(yours=your+名词）his(his=his+名词)hers(hers=her+名词)名词性物主代词=形容词性物主代词+名词(为了避免重复)(后面就不再加东西了)Isthisyourpen?No,itisn't.It'sherpen.(为了避免重复)No,itisn’t.It’shers.(hers=herpencil)Isthisherpencil?No,itisn’t.It’smypencil.(为了避免重复)No,itisn’t.It’smine.(mine=mypencil)Isthishereaser?Yes,it’shereraser.(为了避免重复)Yes,it’shers.Isthatyourschoolbag?No,itisn’t.It’shisschoolbag.(为了避免重复)No,itisn’t.It’shis.注意：在使用名词性物主代词时，必须有特定的语言环境，也就是要省略的名词大家已经知道，已经提起过。例：It‘shers.是她的。（单独使用大家不知是怎么回事，不可以这样用）Thereisabook.It'shers.那有本书。是她的。（先提及，大家才明白）可数名词有单数和复数两种形式。名词的复数形式的部分规则如下：一般情况加spencil–pencils,pen–pens,book–books,boy–boys以s,sh,ch,x等结尾的加esclass-classes,box-boxes,watch-watches,以辅音字母＋y结尾的词，变y为i,在加esdictionary—dictionaries,family--families不规则变化：man—men,woman–women,foot—feet,aChinese–threeChinese,child--children1、一般在词尾加s.cups杯子days日子hands手hats帽子pens笔pencils铅笔2、以s,sh,ch,x结尾的词在词尾加esclass---classes班级bus---buses公共汽车box---boxes盒子watch---watches手表3.以辅音字母加y结尾的词，变y为i，再加esarmy----armies军队story----stories故事factory----factories工厂baby----babies宝贝dictionary—--dictionaries字典family–--families家庭4.以o结尾的词，多数加sphoto---photos,kilo-kilos公里少数以o结尾的词，在词尾加estomato----tomatoes西红柿hero----heroes英雄potato----potatoes土豆(番茄，土豆，英雄)5、以f或fe结尾的词，多数把f,fe变为v，再加esleaf----leaves树叶thief---thieves小偷wife----wives妻子knife----knives小刀shelf----shelves架子不规则变化man-men男子woman-women女人foot-feet脚goose-geese鹅tooth-teeth牙齿mouse-mice老鼠child-children小孩单复数同形sheep---sheep绵羊deer---deer鹿Chinese---Chinese中国人Japanese----Japanese日本人