tom has finished his homework doesn't he

学习 时间:2026-08-29 02:37:42 阅读:2224
tom has finished his homework doesn't heTom has finished his work,_____he?为什么用 hasn't什么时候用doesn't?讲解仔细点例题

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魁梧的玉米

辛勤的心锁

2026-08-29 02:37:42

因为前面是现在完成时态,有助动词HAS,故要用hasn‘t,不能用doesn't。
比较:Tom finishes his work,doesn't he?

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  • 眼睛大的蜜蜂
    回复
    2026-08-29 02:37:42

    因为前面是现在完成时态,有助动词HAS,故要用hasn‘t,不能用doesn't。比较:Tom finishes his work,doesn't he?

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