区别是用法不同,do用于第一二称现在时态,doing进行时态,does是三单形式,举例如下:
you do your homework every day.
I am doing my best to fix the car.
Where does the crux lie?
区别是用法不同,do用于第一二称现在时态,doing进行时态,does是三单形式,举例如下:
you do your homework every day.
I am doing my best to fix the car.
Where does the crux lie?