Last Updated：2025/12/06

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In English, an infinitival phrase consisting of the infinitive of the auxiliary have (with or without a preceding to) plus the past participle; a comparable phrase or word in other languages.

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perfect infinitive

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Source Word

perfect infinitive

Noun

In English, an infinitival phrase consisting of the infinitive of the auxiliary "have" (with or without a preceding "to") plus the past participle; a comparable phrase or word in other languages.

Japanese Meaning

完了不定詞：補助動詞『have』の不定詞（『to have』または『have』の場合もあり）と過去分詞から構成され、動作の完了や完了性を表す不定詞表現。 / 他の言語における類似の完了状態を示す構造に対応する文法用語として用いられる。

What is this buttons?

Linguists often discuss how the perfect infinitive is used to indicate that one action was completed before another.

Google Translation / DeepL Translation

言語学者はしばしば、完了不定詞（have＋過去分詞の不定詞構文）がある行為が別の行為より先に完了したことを示すためにどのように用いられるかを論じる。

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Sense（1）

In English, an infinitival phrase consisting of the infinitive of the auxiliary "have" (with or without a preceding "to") plus the past participle; a comparable phrase or word in other languages.