been here since WEdnesday

been here since WEdnesday I HAVE BEEN HERE SINCE TIME have been here 后面可不可以用since I have lived here since then还是I have been here since then对啊? It has been 3 years since he came here. The work has been finished since they came here i have been here ( )a year.A,since B,for he has been here since five weeks ago. There hasn't been much ____(sick) here since 1994 改错：He's been here since two months. I have been here since three yeas ago they have been here since 2000____ ____ ____they been here? they have been here since 1988,对1988进行提问,（）（）have they been here? he has been here since he left college.对since he left college提问 （）（）has he been here They have been here since 2000.划since 2000.（对划线提问）____ ____have they been here? He has been here since 1996.（改为同义句） ______ _____He has been here since 1996.（改为同义句） ______ ______9 years since he_____ here He has been here since 1996 __ __ 9 years since he _ He has been here since yesterday.(对划线部分提问)since yesterday为划线部分