現(xiàn)在分詞的完成被動式 - 四級語法

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??現(xiàn)在分詞的完成被動式表示分詞的動作發(fā)生在謂語的行為之前,且動作由邏輯主語所承受(即與邏輯主語是被動關(guān)系)。
    ??【例如】
    ??Having been given such a good chance, he planned to work hard.
    ??Having been experimented several times, this new product will be putsintosmass production.
    ??All the compositionsshavingsbeen written and collected, the teacher dismissed the students.