老师
Hello, boys and girls. Welcome back to our English class. I'm your teacher, Maddie. Nice to see you again. Today we are going to learn Unit 1. What are you doing? Lesson 4,1st. Let's play a game. Okay? You will love this game. For example, when you see the verb do, you can say doing as fast as you can do. You know the rule of the game? Are you ready? Let's go. Do doing. Draw, drawing, read, reading, fish, fishing, listen, listening, play, playing, sing, singing. Watch, watching, talk, talking, has having dance, dancing, make, making, put, putting, chat, chatting. Practice, practicing. Great. Boys and girls, we didn't do. You like the game? I think we had a lot of fun when we play games.
学生
同学们，你们都完成得非常好，相信你们还记得现在进行时的结构以及现在分词的形式。那么动词的现在分词都有哪些不同的形式？让我们试着一起来总结一下。在本单元的学习中，我们了解到了当描述某人或某些人正在进行的活动时，我们就可以使用现在进行时。现在进行时的结构就是 be 动词加现在分词，也就是动词的 ING 形式。而在本单元的学习中，我们了解了三种现在分词的变化形式，第一种，我们可以直接在动词后面加ING。第二种，当动词以不发音的 e 为结尾时，我们要去掉不发音的e，再加i、n、g。第三种，当单音介词以辅音、元音、辅音为结构时，我们要双写最后一个字母，再加i、n。
老师
g。
学生
同学们，