現在完成式 - 06/07/2014 12:46:02 pm +0800 - en US.ISO8859-1 - OpenWebMail

... 現在完成進行式 have been Ving 從過去某個時間開始一直繼續到現在仍在進行的動作 I have been waiting for you about twenty minutes. I have been learning English for five years. She has been living in the same house since she was born ...

mail.yocjh.kh.edu.tw