正在进行时英语作文
描述当前活动
现在进行时：I am currently reading a book about history.
现在进行时：Right now, I am listening to music and relaxing at home.
描述正在进行的场景
现在进行时：Look, they are playing soccer in the park right now.
现在进行时：Listen, she is singing a beautiful song in the next room.
描述过去某一时刻正在进行的动作
过去进行时：Yesterday at this time, I was watching a movie with my friends.
过去进行时：While I was walking to school this morning, I saw a bird flying overhead.