I have had these impulses since I can remember.
1.为何since从句不用since I have been able to remember?
2. 如果从句用since I have been able to remember,和原句相比,二者在句意上有何细微差异?
期待各位老师的帮助,十分感谢。
我提供自己不成熟的个人理解,供参考:
一、since I can remember 可视为习语,意思是“自我记事以来”。如:
Ever since I can remember, I’ve lusted for a Chevrolet Corvette. 自从我记事儿起,我就一直想要一辆雪佛兰克尔维特。
I have never had this kind of experience since I can remember. 自我记事以来,我从来没有过这样的经历。
I have had such an impression of my hometown since I can remember. 从记事时候起,我对家乡就有这种印象了。
二、remember作为一个“本能”动词,它通常与 can 连用,但一般不与 be able to 连用。如:
As far as I can remember, this is the third time we've met. 我记得这是我们第三次会面了。
They’ve lived here for as long as I can remember.在我记忆中他们一直都住在这儿。
No one got drunk as far as I can remember. 我记得当时没有人喝醉酒。