I don't think that～ ～ではないと思う
「彼は来ないと思う」
× I think he is not coming.
○ I don't think he is coming.
否定的な内容を言う場合は、I don't think から始める
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I don't think that's a good idea.
それはいい考えだとは思わない。
I don't think that～ ～ではないと思う
「彼は来ないと思う」
× I think he is not coming.
○ I don't think he is coming.
否定的な内容を言う場合は、I don't think から始める
--------------------------
I don't think that's a good idea.
それはいい考えだとは思わない。