Have you been working here long?"long"是什么词性.

Have you been to? How have you been? Have you been recently. you have been you can have been have you been sleeping? you have been Have you been tricked? where you have been与where have you been区别 Have you been in there?写成Have you been there? where you have been与where have you been区别 I have always been you I have been loving you you have been gone forever which countries have you been? Have you ever been employed? have you been to Beijing Where have you ever been?