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Unit2Thisismysister.重点短语：haveagoodday过得愉快aphotoofmyfamily一张我的家庭照片familytree家谱Twonicephotosofmyfamily我的两张漂亮的家庭照片inthefirstphoto在第一张照片里inthenextpicture在下一张照片里thenameofmydog我的狗的名字GrammarPoints(介绍位置相对较近的人)Thisis….Theseare….(介绍位置相对较远的人)Thatis....Thoseare….I’mMary.Thisismyfamily.Thisismy___________.Thisismy___________.Thisismy___________.Thisismy___________.Theyaremy_________.Thatismy____________.That’smy_____________.Theyaremy____________.grandfathergrandmothergrandparentsfathermotherparentsbrothersisterCanyouremember?Marythat’s是thatis的缩写形式。当人称代词、指示代词及疑问词与be动词(am,is,are)等连用时，为了简便常用缩写。缩写形式：whois=________whoare=_______theyare=_______Iam=_________sheis=________heis=_________itis=________whatis=________who’swho’rethey’reI’mshe’she’sit’swhat’s定义：明确指示人或事物的代词,this,that,these,those作用：主语/宾语/定语Thisisabook.Ilikethis,buthelikesthat.Thisbookisnew,butthatoneisold.指示代词Tips:1.在回答主语是this或that的一般疑问句或特殊疑问句时，通常用it来代替句中this或that，以避免重复。2.在回答主语是these或those的一般疑问句或特殊疑问句时，通常用they来代替句中these或those，以避免重复。3.在电话用语中，this指代“I”,that指代“you”。指示代词名词复数（一）规则变化词形特点构成方法读音例词大多数名词在词尾加-s清辅音后读/s/，浊辅音和元音后读/z/cat→catsbag→bags以s,x,ch,sh等结尾的名词在词尾加-es读/ιz/class→classeswatch→watches以“辅音字母+y”结尾的名词把y改为i，再加-es读/z/baby→babies以o结尾的名词直接加-s或-es读/z/zoo→zoostomato→tomatoes以ce,se,ze,d(g)e结尾的名词直接加-s读/ιz/case→cases以f或fe结尾的名词大多数情况下将f或fe变为v，再加-es读/vz/wife→wiveslife→lives构成方法例词改变元音字母man→menfoot→feetwoman→womentooth→teeth词尾加en或renchild→children单复数同形DeersheepChineseJapanese（二）不规则变化（三）复合名词变复数构成方法例词一般的复合名词，只把中心词变为复数appletree→appletreespencilbox→pencilboxes由man和woman构成的复合名词，二者均变为复数mandoctor→mendoctorswomanteacher→womenteachersAllthe____teachersareveryhappyonMarch8th.A.manB.menC.womanD.women单数句变复数句一变、一删、六不变六不变：保留句中的形容词、定冠词the、副词、疑问词、介词短语和叹词等。Iamastudent.→Wearestudents.What'sthat?→Whatarethose?一删：将单数句中的不定冠词a/an删去。一变：将单句中的指示代词、人称代词、物主代词、名词以及系动词变为相应的复数形式。this→thesethat→thosehe/she/it→theyI→wemy→ourhis/her/its→their一、写出下列单词的复数形式1.parent________2.sister_______3.brother_______4.this________5.that________6.photo_______7.family_______8.bus_________9.watch________10.girl________11.cousin_______12.dog________parentssistersbrothersthesethosephotosfamiliesbuseswatchesgirlscousinsdogs二、根据首字母及图片提示，写出单词。1.Look!Thisap__________ofmybrothers?2.Thisismya___,Mary.She'smyfather'ss____.3.—IsBobyouru____?—Yes.He'smymom'sb_______.4.Jennyismysister.She’smydad'sd_______.5.Isthatboyyourbrother?No.He'smyc_____.icture/hotountisterncleaughterrotherousin三、根据汉语提示，完成句子。1.这里有一张我的家庭照片。Here__aphoto__my_____.2.这些是我的舅舅和舅母。____aremy____and____.3.那两名女孩子是我的表妹。_____two____aremy______.isoffamilyHereuncleauntThosegirlscousins4.—咪咪是你的猫的名字吗？—不是。—IsMimithe_______yourcat?—No,__isn't.5.—你的父母亲在下一张照片中吗？—是的。—____your_______inthe____picture?—Yes,________.nameofitAreparentsnexttheyare