学习正确使用现在完成时不是容易的事。
It is not easy to learn to use the present perfect tense correctly.
我一读完就把书还回去。(现在完成时)。
I'll return the book as soon as I have read it.
我一读完就把书还回去。(现在完成时)。
I "ll return the book as soon as I have read it."
记住一定要用现在完成时。
I have made up my minds.