小学四年级下册英语课件-Unit1-Lesson-2人教精通版(共18张)

1、人教精通版英语-四年级-下册Unit 1 Welcome to my new home.Lesson 2难点名称：正确理解和使用“There be ”句型的单数和复数形式。1人教精通版英语-四年级-下册Unit 1 Welcome t目录CONTENTS导入知识讲解课堂练习小结2目录CONTENTS导入知识讲解课堂练习小结2How many apples are there on the tree?There are twenty apples on the tree.How many apples are there on the tree now?There are thirteen ap

2、ples on the tree now.导入3How many apples are thereThere概念结构用法There be 句型表示“存在”“有”，其中be动词有时态和单复数变化。There be+主语（人或物名词）+地点知识讲解4概念结构用法There be 句型表示There be+主语结构：a.There is +单数可数名词不可数名词 There is a book on the desk . 桌子上有一本书。There is some water in the bottle.瓶子里有些水。5结构： There is a book on the deb.There are

3、 +复数名词There are some pictures on the wall.墙上有些图画。There are two apples in the basket.篮子里有两个苹果。6b.There are +复数名词There are som看名词单数is复数are不可数的用is7看名词单数is7看名词There _ a doll in the toy box. A. is B. are There _ some bread on the plate. A. is B. are There _ a lot of green trees in thePark. A. is B. are 8

4、看名词There _ a doll in the tThere a cat under the tree.is9There a cat under the treeThere two dogs under the tree.are10There two dogs undertherethere 是个近视眼。 11therethere 是个近视眼。 11There be句型的就近原则 there be句型中“be”是单数还是复数形式取决于后面紧跟的名词是单数还是复数。例： There are two books and a pen on the desk. There is a pen and

5、two books on the desk.be动词要随句子中离它较近的名词单复数变化而变化，这就叫就近原则。12There be句型的就近原则be动词要随句子中离它较近的名There is a cat and two dogs under the tree.There are two dogs and a cat under the tree.课堂练习Part A13There is a cat and two dogs uThere _ a desk and fifty-five chairs in the classroom. A. are B. is Part B14There _ a

6、 desk and fifty-fThere _ fifty-five chairs and a desk in the classroom. A. are B. is 15There _ fifty-five chairsThere be有特点，主语放在be后面，单数主语用is ，复数主语要用are。变否定很简单，be后要把not添。变疑问也不难，把be提到there前。否定疑问any换，就近原则多多练。There be 口诀16There be有特点，主语放在be后面，There be 小结本节课主要采用讲练结合的方式，首先对There be句型的概念、构成和用法进行了讲解，随后对There be句型的就近原则进行了重点讲述并辅之以例句。最后通过练习形式巩固学生对这一句型的运用。同时还将There be句型的用法变成口诀，相信背口诀再多多进行操练，一定能熟练掌