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By now用法

by now的用法其实就是now在句中作时间状语,这一种.by now 读音:英 [ba na] 美 [ba na] 释义:到现在为止.用法:1、表示“到如今” 例句:What money I could have invested by now! 到如今我已经投资不少了! 2、表示“到目前

by now一般用在现在完成时

just now, 表示刚才,常用于一般过去时,just for now, 表示就现在而言,常用于现在时态.

bynow到现在为止常跟现在完成时答案补充by+过去时间---过去完成时by+将来时间--将来完成时

就是再见的意思.你可以看看CCTV9的节目,主持人结束时一般都会说这个的

by now用于现在完成时.现在完成时表示动作发生在过去,但与现在的情况有联系,有时无时间状语,有时和一些表示不确定的过去时间状语连用,如:many times,just,yet,ever,never,already,before,so far, by now等连用.

这题选A: is winning 原句还原是:It must be clear to find out who is winning at the moment(by now) by now 可用于多种时态,要根据语境具体分析哦.提供例句供亲参考.O(∩_∩)O~ By now the power of the Roman Empire was on the wane. 到这

by的用法小结 1.用于被动语态的句子中,表示动作的执行者,意为“被;由”. He was praised by the teacher.他受到了老师的表扬. the book was written by Lu Xun.这本书是鲁迅写的. 2.表示方式、方法、手段等,后常接无冠词的名词或动名

不明白啊 = =!

看情况而定.常用完成时.也可以用一般时,过去时,将来完成时.Her secret remains untold by now.How many people have accessed your homepage by now ?By now the power of the Roman Empire was on the wane.By now, a rocket will have set off on its35 million mile trip to Mars and scientists must be waiting anxiously for the results.

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