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前些时候谈过《具副词功能的现在分词短语》，并举出意义不同的例句，说明其用途。 这里要举出另外一些例子，以证明连词+现在分词短语也可作副词，修饰谓语动词。 我们可以从五方面探讨这问题。 ⒈和When, while, before, after, since等连用，表示 时间，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连用，表示结果，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连用，表示让步，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连用，表示条件，例如： | 
