He did nothing last Sunday but repair his bike中的repair爲什麼是原型
題目:
He did nothing last Sunday but repair his bike中的repair爲什麼是原型
解答:
因爲有助動詞did,did已經是過去式了,所以repair不用再變了
再問: 可不可以換成to repair做非謂語動詞
再答: 不能
題目:
He did nothing last Sunday but repair his bike中的repair爲什麼是原型
解答:
因爲有助動詞did,did已經是過去式了,所以repair不用再變了
再問: 可不可以換成to repair做非謂語動詞
再答: 不能
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