their
彼らの
解説 Definition
複数の人や物に属することを示し、名詞の前に置く。性別が不明な一人を指す場合にも使われる。
Their is a possessive determiner placed before a noun to show that something belongs or relates to several people, animals, or things. It is also commonly used for one person whose identity or gender is unknown or irrelevant.
覚え方のコツ Memory Tip
they「彼らは」に対応する所有の形が their だと結び付け、their house、their children、their ideas のように名詞とのまとまりで覚えると定着しやすい。there「そこに」や they're「they are」と同じ発音なので注意する。their の直後に名詞が来るかを見れば、つづりを判断しやすい。
Connect their directly with they: they is the subject form, while their marks possession before a noun. Learn it in chunks such as their house, their books, and their ideas. It can also refer to one person when the person’s gender is unknown or unimportant, as in Someone left their bag. Their sounds the same as there and they’re, so use grammar to choose the spelling: their is normally followed by a noun, there concerns a place or introduces something, and they’re is a contraction of they are.
例文
Their house is very old.
彼らの家はとても古いです。
The students opened their books.
生徒たちは本を開きました。
Someone left their bag here.
誰かがここにかばんを置き忘れました。
their の類義語・関連語
their の語源・成り立ち Etymology
their は古ノルド語 þeirra「彼らの」が中英語に入った語で、they、them と同じく北欧語から取り入れられました。それ以前の古英語の形に代わって定着したものです。名詞の前では their、名詞を伴わず「彼らのもの」と表す場合は theirs を使います。
Their entered Middle English from Old Norse þeirra, meaning “of them” or “their.” It belongs to the same Norse-derived third-person plural set as they and them, which gradually replaced earlier Old English forms. In modern grammar, their is used before a noun as a possessive determiner. The independent possessive form is theirs, which stands without a following noun.
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