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I can try it. (やってみてもいいけど)
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I could do it. (やってほしいならやりますけど)
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I could try. (やってみてもいいけど/やってみてあげてもいいけど)
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I have it! (いい案がある!)
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I tried.(試したけど、だめだったのよ)
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I will try to make it.(できれば行きます)
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I would do it.(私だったらやります)
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I've tried it.(やってみたんだけど)
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Is that what you did?(あなた、それをやったの?)
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It will do. (それはなんとか使える)
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