請問逗點的用法及解釋其它選項不能選的原因

請解釋逗點的文法及說明其它選項不能選的原因,謝謝。

題目如下:

______ many secretarial courses, Catherine is certain to meet

your requirements.

A To take

B Having taken

C Had taken

D Being taking

感覺逗點是個解題關鍵,但是我不知道它的使用方法><"

Update:

請問為什麼要用have+PP?

Update 2:

大大~~我的文法不好,可以請您花點時間詳細解釋給我聽嗎><"?

2 Answers

Rating
  • 阿霹
    Lv 7
    8 years ago
    Best Answer

    (B)

    As(或Because) Catherine has taken many secretarialcourses,

    she is certain to meet your requirements.

    =Having taken many secretarial courses,

    Catherine is certain to meet your requirements.

    分詞構句

    2012-04-13 15:14:43 補充:

    如果用現在式As Catherine is taking many secretarial courses,......

    正在上課 如何保證工作能力?經 用完成式表已經研習完畢才合理......

    As(或Because) Catherine has taken many secretarialcourses,......

    =Having taken many secretarial courses,......

    從屬子句降階成分詞構句的手續:

    連接詞As拿掉 主詞Catherine重複拿掉

    has taken>>having taken主動時把動詞改成現在分詞

  • Louis
    Lv 7
    8 years ago

    逗號表示句子有倒裝現象,後面的才是主要子句。

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