Unit1 Lesson3 Who Is Singing ? 课件(共15张PPT)

资料属性

• 资料版本：冀教版（三年级起点）
• 适用地区：全国
• 文件大小：1.8MB

资料简介

(共15张PPT)
Lesson 3
现在进行时态
肯定句：主语+be(am\is\are)+动词ing+...
肯定句变否定句：be +not
I am sitting.
I am not sitting.
Jenny is looking out of the window on the train.
Jenny is not looking out of the window on the train.
They are singing a song to Danny.
They are not singing a song to Danny.
把下列句子变成否定句
The woman...