可不可以说since加非延续性动词for家延续性动词

1。since 时间状语从句是 非延续性动词,但是主句仍然是延续性动词,比如：He has been here since he came to China。延续性 非延续性2。for +一段时间,主句用延续性动词,比如：I have studied English for 4 years。延续性