investigating
調査中
解説 Definition
investigating は investigate（調査する）の現在分詞・動名詞です。「調査していること」「調査中であること」を表し、原因や事実を詳しく調べる場面で使われます。
Investigating is the present participle or gerund form of investigate. It refers to carefully examining facts, evidence, causes, or circumstances in order to discover what happened, why something occurred, or whether a claim is true.
覚え方のコツ Memory Tip
原形 investigate の語末 e を落として -ing を付けた形が investigating です。発音は原形と同様、第二音節 ves に強勢があります。進行形の be investigating the cause と、動名詞の Investigating the problem の両方を覚え、手掛かりを追って事実や原因を詳しく調べる継続的な行為を表します。
Form investigating from investigate by dropping the final silent e and adding -ing. The stress remains on the second syllable of the base verb. Use it in a progressive construction, such as “The team is investigating the cause,” or as a gerund, as in “Investigating the problem took two days.” Connect the word with following clues or traces until the facts become clear. Unlike casually checking something, investigating suggests a careful, systematic search for evidence, causes, or explanations.
例文
The team is investigating the cause of the error.
チームはそのエラーの原因を調査中です。
Investigating the problem took two days.
その問題の調査には2日かかりました。
She is investigating how the data was lost.
彼女はデータがどのように失われたのかを調査しています。
investigating の類義語・関連語
investigating の語源・成り立ち Etymology
ラテン語 investigare（足跡をたどる）から。in-（中へ）+ vestigare（追跡する）に分解され、vestigare は vestigium（足跡）が語源。関連語：vestige（痕跡）、investigator（調査者）。犯人の足跡を追うように真相を探る、という原義が「調査」の意味に発展した。
Investigating is the -ing form of investigate. Investigate comes from Latin investigare, “to track or search into,” built from in- and a verb related to vestigium, “footprint or trace.” The historical image is that of following tracks to discover where they lead. This developed naturally into the modern sense of examining evidence carefully to uncover facts, causes, or responsibility.
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