请问since后可以加ago吗 for后面不可以加ago吧

since后可以加ago,He has lived here since two years ago.他自从两年前开始就住在这里.for后面不可以加ago,它后面是一个具体的时间段,He has lived here for two years.他已经在这住了两年了.since是一个延续性动词,表示自从...开始一直延续到现在.marry to或者be married to是固定搭配,表示和某人结婚或者嫁给某人.