活性炭1986
I didn't know it until recently/Not until recently did I know it/It is until recently that I know that.等等等等 望采纳

*指尖的淚
(1)正式书面语(适用于书面文件,正式场合如会议、法庭等)可用 It has been/was made clear to me recently that [插入事件]I have recently come to knowRecently I came to knowI have just been informed/was informed recently that [插入事件] --强调是“有人告诉”我才知道 (2)日常口语可用 I didn't know until recently that [插入事件]I only recently got to know that --注意动词最好用过去式I just found out that
代号为喵
我知道的英文:I know。
词汇解析:
know
英文发音:[nəʊ]
中文释义:
v. 知道;知悉;了解;认识到;懂得;意识到;确信;确知;肯定。
相关词性:
第三人称单数: knows
现在分词: knowing
过去式: knew
过去分词: known
例句:
I don't know the name of the place
我不知道那个地方的名字。
know的用法:
1、know的基本意思是知道、认识、听说,指直接了解某事物,也可表示领会、懂得,指通过体验或传授而获得知识。
2、know既可用作不及物动词,也可用作及物动词。用作及物动词作“知道,懂得”解时,可接表示事物的名词、代词、带疑问词的动词不定式、that或疑问词引导的从句作宾语,也可接动词不定式充当补足语的复合宾语。
3、作“认识,了解”解时,可接表示人或物的名词作宾语。know可用于被动结构。know接to be作宾语补足语时, to be常可省略,但当to be表示的时间先于know表示的时间时,须用不定式的完成式,且不可省略。
4、在对话回答语中,如know的宾语表示的是整个事实,如that-clause,则宾语可省略; 如know的宾语是一个具体事物,则通常以it代替之。