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1、Forpersonaluseonlyinstudyandresearch;notforcommercialuse薆Forpersonaluseonlyinstudyandresearch;notforcommercialuse蚄薄指示代词this,that.these.those莂蕿单数螃复数蚁用法螀this:这莈these:这些袃指距离较近的人或物肂that:那蒂those:那些膇之距离较远的人或物膇蒃注意羀is/are的使用：膀this/that+可数名词单数或不可数名词+is芇these/those＋可数名词复数（不可以加不可数名词）+
2、are袄例：离你较近的时候：thisduck这个鸭子theseducks这些鸭子蚂离你较远的时候(经常与overthere连用)：thatduck那个鸭子thoseducks那些鸭子罿莇常见句型：1.2.芅What is this/that?这是/那是什么？聿It’s a/an...它是... 3.4.蚈Is this/that...?这是/那是...吗？蒇Yes,it is.是的，它是。No,it isn’t.不，它不是。 5.6.蒁What are these/those?它们是什么？袁They are...它们是... 7.8.蒆Are
3、 these/those...?这些/那些是...吗？薇Yes,they are.是的，它们是。No,they aren’t.不，它们不是。 袂艿【补充部分：名词规则变化】葿1、一般情况（包括以e结尾的名词）,加-s蚇例：cup(杯子)-cups,cat-cats,cake－cakes,flag(旗子)-flags,face(脸)－faces芃羁2、以s,x,ch,sh结尾,加-es芈例：class(班级)-classes,box(盒子)-boxes,watch(手表)-watches,brush(刷子)-brushes蚇蚄3、以辅音+y结尾
4、变y为ies葿例：city(城市)-cities,country(国家)-countries,study(书房)-studies肇注意：以元音+y结尾,加-sboy-boys,ray(光线)-rays,day-days螆螁4、以o结尾膁有生命加-es袆例：mango(芒果)-mangoes,hero(英雄)-heroes,tomato(西红柿)-tomatoes,potato(土豆)-potatoes袆没生命加-s膂例：zoo(动物园)-zoos,photo(照片)-photos,piano(钢琴)-pianos虿衿5、以f,fe结尾变f,f
5、e为ves羆例：leaf(叶子)-leaves,knife(小刀)-knives,wife(妻子)-wives薃莁练习： 一．单选 蚈()1.-Look，what is _____?-It’s an eraser. 肆A.this B.that C.these D.those 羄()2.Are _____your watches over there? 螈A.this B.that C.these D.those 莇()3.______this your friend? 膆A.is B.Are C.Is D.are 莅()4
6、.______those his dictionaries? 薀A.is B.Are C.Is Dare 葿()5.-Is that Mary’s schoolbag?-_________ 芆A.Yes,it isn’t. B.No,it is. 薁C.Yes,it’s. D.No,it isn’t. 节()6.-Is this your friend?-_______ 膈A.Yes,he is. B.Yes,it is. 芆C.No,its not. D.Yes,I am. 羂()7.-Are these Helen’s
7、pencils?-_______ 蚀A.Yes,they’re. B.No,they are. 羇C.Yes,they are. D.No, it is.莆()8.-What are those?-______ 莃A.They are box. B.They are boxes. 莂 C.It’s a box. D.Yes,they are. 螆()9.-What is this in English?-______ 蒅A.Its an eraser. B.It’s a eraser. 螄C.It’s my an eraser.
8、 D.It’s my eraser. 袀蝿答案：1-5ADCBD6-9AABD薅二．三．袁用am is are填空。 薂1，How______you ?
