這是一個虛擬語氣的用法
與現在事實相反 動詞的過去式（be的過去式一般用were） would/ should/ could/ might + 動詞原形
與過去事實相反 had + 過去分詞 would/ should/ could/ might + have + 過去分詞
與將來事實相反 動詞過去式,should + 動詞原形,were to + 動詞原形 would/ should/
If my brother had been here last Sunday,he ________ me from going.(Unit8-13)
If my brother had been here last Sunday,he ________ me from going.(Unit8-13)
為什么用would have prevented不用would prevent?請分析一下句型或語法.
為什么用would have prevented不用would prevent?請分析一下句型或語法.
英語人氣：982 ℃時間：2019-10-20 23:06:18
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