so far,up to now,till now的区别和用法,请明白的人详细解释下.

just now ,so far ,up to now so far和up to now的区别 请问to date和up to now、so far、thus far 、as yet有什么区别? up to this point 什么意思?So far:⑴until now; ⑵up to this ponit up to now等于up til now那等于up until till now ,up to now,so far一样吗 用在什么时态? up to now,so far,thus far 与 as yet的区别在用法上的区别 so far,up to now,till now的区别和用法,请明白的人详细解释下. by now.until now.so far.up to now.till now.是不是都是一段时间的时间状语或是与现在时间相连的时间状语? so far 和 up to now的区别i've enjoyed the film up to now.so far ,they've cut down a lot of trees in this area.这两个词组可以互换不? 英语so far（到目前为止）so far（到目前为止）up to now（到目前为止）till now （到目前为止）三者的区别 so far/up to now/ until now/的区别?请问高手,so far/up to now/ until now/until this time 这4个短语都作‘迄今,到现在为止’解时有何区别?你认为无区别，我觉得至少：1. I never realized I loved you until now. 我 So far,china ____________ up man-made satelillites to space. I have been up to so far 如何翻译 by now.until now.so far.up to now.till now.是不是都可用于现在完成时的未完成用法?是不是都是一段时间的时间状语或是与现在时间相连的时间状语? I ’m now so far behind that I think it’s hard to catch up with them帮我翻译一下谢谢了啊 so far to so far to