by now词性,by的用法

by now词性,by的用法

bynow是现在完成时的标志词。根据查询相关公开信息显示，bynow是现在完成时的标志，另外还有sofar，till/untilnow，uptonow。都使用现在完成时。现在完成时(ThePre中文意思：如果你见到了他，那么就请你把这个笔记本给他。2、They would have been here by now if they'd caught the early train.中文意思：假设他们赶上了那趟早班火车，那么现在

≥ω≤ 6、by+动词—ing.意为：“通过…靠…凭…”。如：by waiting/practing/begging/working/imitating等。He gained his wealth by printing works of famous writersBy now, dockside labour was considered to be the most disreputable, and certainly the least desirable form of work. D It could be said that the firs

例：By now, I have collected all the data that I need. 2)表示发生在过去而对现在产生影响、带来结果的动作例：She has been to the United States. 3)表示过去发生的动作持续到将来完成时：since+by or for 举例：since five years ago by now=since five years since five years ago by next year. for five years ago by last year. 现

6、by now到目前为止；到如今7、2//now释义：8、adv. 现在；如今；立刻9、adj. 现在的10、n. 现在；目前11、conj. 由于；既然now是甚么词性1、now属于词性中的形容词，名词，连词，副- It's eight o'clock already. Jackshouldbe here by now. - Oh, he told me that he was going to see his dentist and wouldn't be back until ten. 正常状态下的行为。他应该到