heretofore
heretofore — adverb
1. referring to a period or state of affairs that existed throughout the past until
referring to a period or state of affairs that existed throughout the past until the present point, and that has now ended or been replaced — a formal word found mainly in legal, academic, or official documents.
The Watanabe family had heretofore stayed home for New Year, but this year they went to Kyoto.
The company's profits had heretofore remained flat, but the new marketing strategy changed everything.
had heretofore + past participle — showing a past state that changed
The test results of the factory workers had heretofore been kept secret by the management.
No evidence of the rare virus had heretofore been found in this area of Thailand.
A fix for the traffic jams had heretofore seemed out of reach, but the mayor's plan brought new hope.
- hitherto
more common in British English; same meaning and formality level
- previously
neutral register; works in both formal and everyday contexts
- so far
informal; can be used with present perfect instead of past perfect
- henceforth
from now on; formal register, opposite time direction
- hereafter
from this point forward; common in legal documents
文法句型
had heretofore + past participle
had heretofore been + past participle
用法筆記
Almost always used with past perfect tense (had + past participle). Common in formal writing — contracts, academic papers, and news reports — but rare in everyday conversation. Often appears in a contrast structure: X had heretofore been true, but Y changed that.