❶彼らは[が], 彼女たちは[が]; それらは[が] ⦣ それぞれ he （彼は）, she （彼女は）, it （それは）の複数形.
関連語them （彼ら[彼女ら]を[に]）, their （彼ら[彼女ら]の）, theirs （彼ら[彼女ら]のもの）
theyの変化| | 単 数 形 | 複 数 形 |
| 主 格 | he, she, it | they |
| 所 有 格 | his, her, its | their |
| 目 的 格 | him, her, it | them |
| 所有代名詞 | his, hers | theirs |
Ken and Naomi are friends. He is Japanese and she is American. They (=Ken and Naomi) play together.
♔基本Ken and Naomi are friends. He is Japanese and she is American. They Ken and Naomi play together.
ケンとナオミは友達です. 彼は日本人, 彼女はアメリカ人です. 彼らはいっしょに遊びます.
⦣ They は文の主語.
I put three books here; where are they (=the three books)?—They're (=They are) on your desk.
会話I put three books here; where are they the three books?—They're They are on your desk.
僕ぼくここに本を3冊置いたんだけど, （それらは）どこにあるかな.—（それらは）あなたの机の上にあるわよ.
⦣ 口語では they are を they're と縮めていう.
Their purses were stolen and they have no money with them.
関連語Their purses were stolen and they have no money with them.
彼らの財布さいふは盗ぬすまれ彼らは金を持っていません.
❷（漠然ばくぜんと）人々, 世間の人; （ある地域・場所の）人たち ⦣ 日本語に訳さないことが多い.
They sell wine at that store.
They sell wine at that store.
あの店（の人々）はワインを売っている.
They say (that) Eri will marry.
They say (that) Eri will marry.
エリが結婚けっこんすると世間の人々は言っている[といううわさだ].
They speak English in Canada.
They speak English in Canada.
カナダでは（人々は）英語を話す.
Do they have snow in Hawaii?—No, they have no snow there.
会話Do they have snow in Hawaii?—No, they have no snow there.
ハワイは雪が降りますか.—いいえ, あそこは雪が降りません.
