Comparison Compare the difference between the simple past tense and the present perfect tense.

现在完成时与一般过去时所表示的动作或状态都发生在过去，区别…

youdao

Comparison Compare the difference between the simple past tense and the present perfect tense.

现在完成时与一般过去时所表示的动作或状态都发生在过去，区别…

youdao