四年级英语下册Thereampnbspbe句型微课教学设计

　　《there be句型》微课教学设计 学校：口镇中心小学  设计者： 时间：
　　微课基本信息
　　知识点名称 there be句型 学科类型及其对象 语法 小学英语四年级下册
　　上课时间长度 10分钟
　　教学资源
　　与环境
　　ppt
　　教学目标 1、讲授there be句型的定义及结构 2、正确使用there be句型的肯定，否定及一般疑问形式
　　教学过程 today we’ll learn ＂there be＂. 一：there be句型的定义及结构 1、定义：there be句型表示某地有某物或某人。 2、结构：一共分为三种 (1) there is +单数可数名词+ 地点状语. there is a book on the desk. there is an umbrella in the bag. (2) there is +不可数名词+ 地点状语. there is some milk in the cup. there is some sheep and a cow on the farm.
　　(3) there are +复数名词+地点状语.
　　there are four chairs in the living room.
　　there are some birds and a balloon in the sky. 从以上例句中我们可以发现there是引导词，在句中不充当任何成分，翻译时也不必译出。句子的主语是某人或某物，be动词表示＂有＂，谓语动词be要与主语（某人或某物）的单复数保持一致。some既可用于可数名词也可用于不可数名词。 二：there be 句型的变化 1：变成否定句 there be+not+某物+地点状语。 there be句型的否定式的构成和含有be动词的其它句型一样，在be后加上not. 注意，is not的缩写是isn’t，are not的缩写是aren’t. 当肯定句中有some时，要将其改为any（疑问变化也一样）。 there isn’t a book on the desk. there isn’t an umbrella in the bag. there isn’t any milk in the cup. there isn’t any sheep and a cow on the farm.
　　there aren’t four chairs in the living room.
　　there aren’t a lot of birds and a balloon in the sky. 2：变成一般疑问句 ,. there be句型的一般疑问句变化是把be动词调整到句首，再在句尾加上问号即可。 基本句型：be + there+某物+地点状语？ 回答：yes, there + be.  no, there + be +not. - is there a book on the desk? -yes,there is. - is there an umbrella in the bag? -no,there isn’t. - is there any milk in the cup? -yes,there is. - is there any sheep and a cow on the farm?- no,there isn’t. -are there four chairs in the living room? -yes,there are. - are there a lot of birds and a balloon in the sky?- no,there aren’t.
　　三：开动脑筋练一练
　　1. there_______a beautiful garden in our school.
　　2. there __________some bread on the table.
　　3. ________there any maps on the wall?
　　________，there is.
　　4. there __________twenty desks in our classroom.
　　5. ________there a cup of tea on the table?
　　no,there ________.
　　6. there_________some apple juice in the glass.
　　7. there_____ two chairs and a bed in her room.
　　8. there __________some children in the park.
　　9. there__________a teacher and many students in our classroom.
　　10. there__________an orange on the table.
　　设计理念与特色 使用ppt将there be句型的定义，结构，肯定、否定及一般疑问形式都能熟练掌握，学会运会。