since 前面的主句必須用持續(xù)性動詞.married 不延續(xù),所以這句話應(yīng)該為 They have been married since twenty years ago.
have been married 表示狀態(tài)
they have married since twenty years ago since之前能不能加上持續(xù)性動詞呢?
they have married since twenty years ago since之前能不能加上持續(xù)性動詞呢?
順便說說清楚
順便說說清楚
英語人氣：848 ℃時間：2019-10-23 06:29:41
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