问题描述： in the past few years是不是现在完成时的标志,现在完成时的标志还有那些? 1个回答 分类：英语 2014-11-10 问题解答： 我来补答 是,already ,yet ,since ,so far(到目前为止) up to now(到目前为止) recently.in the past /last years在过去的几年中it is the first/second.time sb +现在完成时如,it is my first time I have been here. 展开全文阅读
