雅思作文之活用现在分词（二）

　　句子多样性(sentencevariety)是雅思写作的一个考察重点，与雅思写作评分标准中的“语法多样性与准确性”(Grammatical Range and Accuracy)密切相关。为了能让大家的作文更加出彩，接下来小编就给大家介绍分词的运用!

　　2. 现在分词 vs. 状语从句

　　现在分词的另一重要用法是充当状语，通常用以表示原因或时间。

　　1) 表示原因：相当于一个原因状语从句

　　(f) Staying up latelast night, he felt asleep in the meeting this morning. 由于昨晚熬夜，他今天上午开会时睡着了。

　　→ As hestayed up late last night, he felt asleep in themeeting this morning。

　　(g) Thegovernment planned to build another metro line across the city, hoping to reduce the traffic congestion during the rush hour. 为了缓解高峰时段的交通拥堵，政府计划再建一条穿过市区的地铁线。

　　→ The government planned to buildanother metro line across the city, because they hope to reduce the trafficcongestion during the rush hour。

　　2) 表示时间：相当于一个时间状语从句

　　(h) While constructing the new residential area, the workers found anold tomb from the Ming Dynasty. 在建新住宅区时，工人们发现了一个明朝古墓。

　　→ Whilethey were constructing the new residential area, theworkers found an old tomb from the Ming Dynasty。

　　【注】现在分词作状语，表示“在做某事的过程中，发生了某事或做某事。”这时前面*留when，while等连词。

　　(i) Knowing thegovernment's new environment protection policy, many high-techcompanies started developing products that are environmental-friendly. 了解了政府新出台的环*政策后，许多高科技公司开始开发更环*的产品。

　　→ Whenthey know the government's new environment protection policy, many high-tech companies started developing products that areenvironmental-friendly。

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