Unit 4 Do it yourself
一、课 题：Grammar（1）
二、教学重点：
1. Learn to give instructions using imperative sentences.
2. Both affirmative and negative forms of imperative sentences.
三、教学难点：
1. The word “please” can be placed either at the beginning or at the end of a imperative sentence. But there usually is a comma before it when it is at the end.
