I'm making与I was making区别 造句

I'm making与I was making区别 造句
I'm making与I was making区别 造句

I'm making与I was making区别 造句
I'm making a face.我正在做鬼脸,现在进行时.
He was making a kite when his sister came in.
当他姐姐进来时,他正在做风筝.
当时正在进行的动作,过去进行时.