四年级上册英语课件－《Unit 2 It’s a circle》｜湘少版（三起）(共10张PPT).ppt

1、Unit 2 Its a circle.一、Have fun(外语也有趣)A mother mouse老鼠的第二语言也重要A mother mouse was out for a stroll with her babies when she spotted a cat crouched behind a bush.She watched the cat,and the cat watched the mice.Mother mouse barked fiercely,“Woof,woof,woof!”The cat was so terrified that it ran for its l

2、ife.Mother mouse turned to her babies and said,“Now,do you understand the value of a second language?”一只母老鼠带着孩子出来散步，突然她看见一只猫正在灌木丛中虎视耽耽。母老鼠向着猫叫道：“汪，汪，汪”，猫听了非常害怕，拼命跑走了。母老鼠回过头洋洋自得的对孩子说：现在你知道外语的重要性了吧。二、Revision（复习前知）rectanglea dotsquaretwo circlesthree lines二、Revision（复习前知）定义：1、单数可数名词数量是1的可数名词。2、复数可数名词数

3、量等于或者大于2的可数名词。三、Presentation（新知呈现）1、有7个 2、有 1 个 3、有 5 条 4、有 4 个circlessquarelinesdots?。there be句型（1）有 1 个正方形。（2）有 7 个圆圈。（3）有 5 条直线。（4）有 4 个点。(1)There is one square.(2)There are seven circles.(3)There are five lines.(4)There are four dots.认识我！is和are可以统称为be动词，所以我们把there is和there are这种句式结构统称为there be句型

4、。there be句型（2）1、there is+单数可数名词（或者不可数名词）例：There is a circle.有一个圆形。There is a square.有一个正方形。There is a line.有一条直线。There is a dot.有一个点。2、there are+复数可数名词例：There are two circles.有两个圆形。There are three squares.有三个正方形There are four lines.有四条直线。There are five dots.有五个点。四、Game-我是小英雄1、跟我读one 一；two 二；three 三；

5、four 四；five 五；six 六；seven 七；eight 八；nine 九；ten 十eleven 十一；twelve 十二.2、找朋友there is和there are是新来的同学，你能帮他们找到好朋友吗？Lets go,让我们开始行动吧！五、Practise（我来运用它！）()1、Therea pen in my bag.A.is B.are()2、Thereone eraser（橡皮擦）in my pencil-box(文具盒).A.is B.are()3、There nine apples on my desk(桌子).A.is B.are()4、Theretwelve pears on my desk.A.is B.are提升练习：5、Theretwenty-oneunder(在下面)the desk.A.is；cat B.are；cat C.is；cats D.are；cats 6、Therea little(一点儿)meat（肉）in the plate(盘子).A.is B.areABBAtwenty-one：21，大于1，为复数。所以第一个空填are；所有表示复数的名词后都要加s，故第二个空用cats.meat是不可数名词，there is后面才能接不可数名词。DA