1
Hereofore, + [句子]
常用于正式语体，放在句首表示时间状语。
Hereofore, the project has been funded by the government.
此前，该项目一直由政府资助。
此前；迄今
先理解核心含义，再看它在真实句子里的用法。
此前；迄今
Before this time; until now.
Hereofore, the project has been funded by the government.
此前，该项目一直由政府资助。
较正式，多用于法律或书面语
前文所述；在此之前。
Previously within the present text; earlier herein.
The company has heretofore focused on domestic markets.
该公司此前一直专注于国内市场。
Heretofore, no one had questioned the procedure.
迄今为止，没有人质疑过这个程序。
The data heretofore collected are insufficient for analysis.
此前收集的数据不足以进行分析。
常用于正式语体，放在句首表示时间状语。
Hereofore, the project has been funded by the government.
此前，该项目一直由政府资助。
置于助动词之后，实义动词之前，强调截至当前的状态。
The results have heretofore been inconclusive.
迄今为止，结果尚无定论。
置于句末，常用于否定句或否定含义的句子。
This issue was not addressed heretofore.
这个问题此前未被处理。
Not this
The heretofore rule was different.
Use this
The previous rule was different.
“heretofore”是副词，不能用作形容词直接修饰名词。表达“以前的”应使用形容词“previous”或从句。
Not this
I will work diligently heretofore.
Use this
I will work diligently henceforth.
“heretofore”表示“迄今为止”，与将来时态矛盾。表示“从今以后”应使用“henceforth”。
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通常用于否定句中，描述从过去到现在的情况
Dictionary facts from ECDICT, WIKTIONARY.