现在进行时详细讲解及练习题6页.doc

现在进行时概念：现在进行时表示现在或当前一段时间正在进行的动作。可以表示有计划的未来。现在进行时的结构：1.主语+ be动词现在式（am、is、are）+动词ing现在分词形式I am watching TV now.我正在看电视You are reading books.你正在看书She is playing basketball.她正在打篮球He is running.他正在跑步It is eating fish.它正在吃鱼They are teachers.他们是老师练习：She ( ) looking for a coat. You ( ) cleaning the room. It ( ) swimming in the pool. The dog ( ) chasing a cat. I ( ) cooking dinner. They ( ) doctor.1、当句子中有now, at the