Unit 4 Lesson 22 At the Supermarket 教案2.doc

Unit 4 Lesson 22 全课时教案教学内容：冀教版小学英语4A Lesson 22教学目标:1. 词汇目标：辨析和正确使用可数和不可数名词；正确使用some, any及量词。2. 语法目标：正确使用There be句型来提问、回答及陈述事实；运用正确的句型和一般过去时、一般将来时和现在完成时来表述一日三餐所进食物。3. 功能目标：根据需要列出购物清单，并以合理的价格进行模拟采购。教学重点、难点：掌握重点词汇: tomato, potato, bag, candy, vegetable重点句型: I want to buy some vegetables.教具准备:磁带、单词卡片 教学过程:Part 1: A free talk and sing a song1. Greeting2. Review: sing a songLets go to the cinema, the cinema, the cinema.Lets go to the cinema to see a film.Part 2: Presentation 1. Play the cards.T: Whats this?S: Its a tomato.T: Is there a potato?S: Yes, there is a potato.T: What is this?S: This is a bag.T: How about those things?S: There are some candies.2. 知识拓展: there be句型。1) 构成: There be .句型表示的是 “某处有(存在)某人或某物”，其结构为There be(is，are，was, were)+名词+地点状语。e.g.There are fifty-two students in our class.There is a pencil in my pencil-case.2) 否定句：There be句型否定句式的构成和含有be动词的其它句型一样，在be后加上“not”。也可用“no”来表示。即: no + n.（名词）= not aanany + n.（名词）。注意: no + n.（可数名词单数）= not aan + n.（可数名词单数）；no + n.（可数名词复数）= not any + n.（可数名词复数）；no + n.（不可数名词）= not any + n.（不可数名词）。e.g.There is an orange in her bag.There isnt an orange in her bag.There is no orange in her bag.3. Make a dialogue.4. Play a game.“水果接龙”：将班级同学分为四组，十人一组。十人依次用英语说出一种食物（注意：不允许重复），说的最快最多的小组获胜。e.g. candy, rice, tomato,