...语法新思维)基础版2上说在肯定句中短暂性动词的完成时态不能与表示一段时间的状语连用,I have heard from my girlfriend since I came to America. I have bought this pair of shoes for two years. 但在之前的回答,http://ask.yygrammar.com/app_q-36...
Nancy ______ another city since she graduated, but last year she ____
back home.A. has gone to; has comeB. went to; cameC. has been to; has comeD. has been in; came请问这道题是不是一到错题?因为since引导的时间状语从句,对应的主句应该用现在完成时,且表示动...
...别注意since-从句动词用一般过去时和现在完成时两种不同时态时所表达的不同意义。试比较:a. It's/has been five years since they lived here. 他们离开这里已经5年了。It's/has been five years since they have lived here. 他们住在这里已经5年了。第...
Having toiled through few
days since I found the CD lying in my luggage, I
finally (exploit) my mind to come
up with a solution.这句话只在写信的时候说的,请问下用一般现在时exploit,还是一般过去时 exploited,还是现在完成时have exploited,哪个合适?
我在站内搜到老师的解答是 用lived表达现在已经不住了,而have lived表达还住着。可是这样的话,它和“have always lived” “have been living" 有什么区别,这两个写法也表示一直住着吧?I've made many new friends since I have live...
The rate of scientific progress is now so rapid that there are always new developments that have occurred since one was at school. 译文:但如今科学进步的速度如此之快,一个人离开学校或大学后新的发展层出不穷。请问,粗体部分能不能翻译成“一个...