What have you done with it?

What have you done with it? それどういうこと？
doneに強くアクセントをおく　（What have you done to it?)
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A: Can I get my pen back(to me)?   back:adv 戻す
B: Well, but there's a small problem. It's kind of gone.
A: What have you done with it?/What have you done to it?
B: I left it on my desk at work.
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A:Can I have my jacket back to me?
B:Well, but there's a small problem. It's sort of badly damaged.
A:What have you done with it?
B: I took it camping, the wind blew it onto the camp fire.  blow:v風が吹く
キャンプで風が吹いてキャンプファイヤーの火にかかっちゃたんだ。
onto:動きが伴ないそれが何かの上で止まるイメージ
into:動きが伴ないそれがその中に入るイメージ
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gone/badly damaged/difficult to return/broken/ruined/vanished
ruined「ﾙｰｲﾝﾄﾞ」adj: destroyed or severely damaged   severely「ｻｳﾞィｱﾘィ」adv：ひどく
vanished「ｳﾞｧﾆｯｼｭ-ed」adj: to disapper suddenly
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dropped it in a lake/spilled coffee on it/caught on fire/hit a tree
spill-spilled(spillt)-spilled(spillt)  spill「ｽﾋﾟﾙ」v: こぼす
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Did you call lost and found yet?　
My girl friend gave it to me.
My kids took it to somewhere. 子どもたちがそれをどこかへ持っていった。