what does he like doing?为什么用doing还一个题 he does his homework every day?为啥用does what is your sister doing?she's reading 我想知道为神魔不用does

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what does he like doing?为什么用doing还一个题 he does his homework every day?为啥用does what is your sister doing?she's reading 我想知道为神魔不用does
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what does he like doing?为什么用doing还一个题 he does his homework every day?为啥用does what is your sister doing?she's reading 我想知道为神魔不用does
what does he like doing?为什么用doing
还一个题 he does his homework every day?为啥用does
what is your sister doing?she's reading 我想知道为神魔不用does

what does he like doing?为什么用doing还一个题 he does his homework every day?为啥用does what is your sister doing?she's reading 我想知道为神魔不用does
第一个用doing,是因为固定搭配like doing Sth.
第二个用does,是因为第三人称单数,每天做什么事情,经常做什么事情,都要用为第三人称单数
第三个不用does,是因为要表达的是她现在在做的事情,要用现在进行时

  1. like doing sth,表示喜欢做某事。

  2. 因为he是主语,用第三人称单数形式。

  3. 因为是现在进行时态,所以用be +doing,表示正在做某事。does是一般现在时。

does是第三人称的动词表达,一般用于一般现在时
第二句是问现在在做什么,是现在进行时。现在进行时的形式是“is doing sth”