Examples
tóng shì同事wèi为wǒ我zhǔn bèi准备hǎo le好了gōng zuò工作wén jiàn文件。
同事为我准备好了工作文件。
My colleague arranged the work files for me.
你告诉了我以后，我才知道这份文件有多重要。
I hadn't recognized the importance of this document until you told me about it.
我的文件在那个箱子里。
My papers were in that box.