[各种求]--译了几个简单的句子,球找下语病.

[各种求]--译了几个简单的句子,球找下语病.I sense you maybe sit here every day,don't you need to go to work?我觉得你应该是每天都坐在这里的,不用去上班吗?How long did you come here for study?你来这里学习多久了?（另外…是for还是to啊- -）That's all~