英語講義【56】具副詞功能的“連詞+現(xiàn)在分詞短語”

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前些時候談過《具副詞功能的現(xiàn)在分詞短語》,并舉出意義不同的例句,說明其用途。
    這里要舉出另外一些例子,以證明“連詞+現(xiàn)在分詞短語”也可作副詞,修飾謂語動詞。
    我們可以從五方面探討這問題。
    ⒈和“When, while, before, after, since”等連用,表示“ 時間”,例如:
    ● He scanned the newspaper while having breakfast.
    ● Some students stammered when speaking in front of the teacher.
    ● Wash your hands before eating your meals.
    ● Return the book to me after reading it.
    ● I have lost contact with Robi since leaving university.
    ⒉和“thus, thereby”連用,表示“結(jié)果”,例如:
    ● All the necessary details are included, thus eliminating needless further correspondence.
    ● John did not come along, thereby making it necessary for us to get someone else to replace him.
    ⒊和“though, although”連用,表示“讓步”,例如:
    ● Though working day and night, the gambler still could not make enough money to pay off his debts.
    ● Although answering all the questions in the test, Xiaogai did not get a good grade.
    ⒋和“even if, even though”連用,表示“條件”,例如:
    ● Even if still functioning, the old machine would be of no great value.
    ● Even though raining, we had to launch the campaign as planned.
    ⒌和“as if, as though”連用,表示“比較”,例如:
    ● The man walked hurriedly, but suddenly stopped, as if remembering something.
    ● Helen sat down in a quiet corner, as though waiting for someone to come.
    就一般情況說,現(xiàn)在分詞短語作副詞用途時,它的邏輯主語,就是句子的主語。但是如果分詞短語的邏輯主語不是句子的主語時,它便要有自己的主語而形成獨立結(jié)構(gòu)(an absolute construction),即:“主語+現(xiàn)在分詞短語”。例如:
    ● He stared at the approaching girl, his eyes widening.
    ● All the participants having arrived, the chairman declared the meeting open.
    必要時,現(xiàn)在分詞短語也可以和“with,without”等連用。例如:
    ● With their breath running out, some weaker athletes had to stop playing.
    ● In a quiet place like that, the villagers generally do as they wish, without anybody trying to bother about them.