2014秋湘少版英语四上《unit_2 its a circle》ppt课件

Unit 2 Its a circle.,Lecturer :Linan Chen,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 life. 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）,rectangle,a dot,square,two circles,three 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,circles,square,lines,dots,?,?,?,?,。,。,。,。,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。,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； 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、There a pen in my bag. A. is B. are ( )2、 There one 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、 There twelve pears on my desk. A. is B. are 提升练习： 5、 There twenty-one under(在下面) the desk. A. is；cat B. are ；cat C. is ；cats D. are ；cats 6、 There a little(一点儿) meat（肉）in the plate(盘子). A. is B. are,A,B,B,A,twenty-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.,mea