一般现在时:I do my homework
一般过去时:I did my homework
一般将来时:I will do my homework.
现在进行时:I am doing my homework
现在完成时:I have done my homework
过去进行时:I was doing my homework
过去完成时:I had done my homework
注意使用一般现在时的时候要注意三单,学生总是错!
注意使用一般过去时的时候要注意特殊的变化
注意使用一般将来时的时候要注意will be=be going to