現在完成式公式 現在完成式的公式是have 或 has +過去分詞(P.P. )，前面的主詞是第三人稱單數(he, she, it) 則用has +P.P.其他則使用have +P.P. 現在完成式例句 肯定句I have read this novel. He has read this novel. 否定句 I haven't read this novel. He hasn't read this novel. 疑問句 1.Have you read this novel? Yes, I have. No, I haven't. 2.Has he read this novel? Yes, he has. No, he hasn't. 3. What have you done since you got up this morning?
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