Lesson 50

教学目标

　　学会复数物品的颜色描述。会描述一件衣服。

教学用具

　　同L49

教学步骤

Step 1 Review

　　上节课学过的十种颜色。可用上节课的课件。

Step 2 Presentation

　　用做好的课件呈现Part 1 第一部分。教单词 sweater light 呈现下列词组 light red / blue / green / yellow... a light blue sweater light blue sweaters

　　借用媒体，老师重复课文。然后老师问，同学答。在通过pair work和group work将课文背熟。

　　用做好的课件呈现Part 1 第二部分。方法同上。

　　听录音并跟读。

Step 3 Drill

　　1．练习句型 How many n+s are there? There are …

　　让学生练习下一组对话

　　How many people are there in your family? There are three

　　How many students are there in our class? There are 45.

　　How many girls are there in our class? There are 20.

　　How many boys are there in our group? There are 5.

2．讲解、练习

look+adj

　　You look very happy today.

　　Your sweater looks very nice.

　　She looks sad today. Why?

　　You look very well toady.

　　事先让一位女生穿一件彩条或颜色较多的毛衣。课上可让这位同学站到讲台上和老师示范对话。

　　one & ones 用来代替刚提到的同一种可数的东西：

　　I haven’t a pen. Can you lend me one?

　　The question was a difficult one.

　　ones 是复数形式

　　There are one long writing-table and two small ones in the office.

　　Have you any books on farming? I want to borrow ones.

　　There +be (is, are) 用来引起一个句子，表示“有”“存在”等：

　　There are pens and pencils in my pencil-box.

　　There are many books in my bag.

　　There is a clock on the desk.

　　There is a blackboard on the wall.

　　like 作介词，

　　like 像

　　I don’t do it like this.

　　Don’t throw it like this.

　　I want to speak English well like you.

　　3．单词 want: I want a new book. I want a cup of tea.

　　Listen to the tape and repeat.

　　4．初步了解否定意问句。

　　Can’t you see it? Yes, I can.

　　Can’t you hear me? Yes, I can.

　　Isn’t it Monday? Yes, it is.

　　可译为难道…表示提问人心中认为是肯定的。不要过分强调回答。

Step 4 practice

　　练习 P154 ex4

Step 5 consolidation

描述一下你同伴的衣服。

Homework

　　Blackboard handwriting

want

light light red / green

sweater a light red sweater

How many n+s are there?

There are …

look+adj

The sweater looks nice.

one & ones

《Lesson 50》