We've been working together since 2 months ago.这句话从语法上讲有什么问题吗?ps：刚刚找了现在完成进行时的语法，貌似举得例子就是这样的。要是有没注意到的问题，

we've been hiding enough shows how much I have been working lately什么 意思托福里有一道题W:We had a delicious Sunday brunch at that new hotel downtown.You should try it sometime.M:I didn’t even know the building was finished.Shows how much I’ve been working la 请翻译英语诗歌《I've been working on the railroad》I've been working on the railroad All the live-long day I've been working on the railroad Just to pass the time away Can't you hear the whistle blowing? Raise up so early in the mom C I've been working extra hard lately.什么时态? I've Been Working on the Railroad 歌词 I've been working hard for a whole year. I/we should have been working.是什么意思 I've been working here for seven years.同义句转换.I've been working here ___ ____ ____ ____. You ____ be tired --- you’ve only been working for an hour.A.must not B.won’t C.can’t D.may not You ________ be tired-you've only been working for an hour．A.must not B.won't C.can't D.may not You______ be tired--you've only been working for an hour.用can't还是may not?答案是can't但是may not为什么不可以? We've been friends since way back. We‘ve been working hard for the last five years.中the last有什么作用?for the last years与for five years有什么不同? -----We've been working for three hours.----- ------stop to have a rest?A.What about B.Would you likeC.Why not D.Would you mind 将下列句子改为宾语从句.1.You can phone me from your office, he said to Ann.2.We've been here for two and a half years:' said the man,and we're going to stay for another six months.3.I'm working in a restaurant,but don't care much for what a day! we've been working for 10 hours. （ ）going out for a drink?____what a day! we've been working for 10 hours. ____（ ）going out for a drink?A.why not B.how about C.shall we D.wh It's true that we don't know that what we've got until we lose it, but it's also true that we don't know what we've been missing until it arrives. It''s true that we don''t know what we''ve got until we lose it,but it''s also true that we don''t know what we''ve been missing until it arrives、