托福写作句式：分词结构

　　即使使用了一些从句，但如果句子的开头部分都是以名词开头会仍然会显得非常单调，这时候可以将一些从句变成分词结构:

　　(1)在状语从句中，如果从句主语和主句主语一致，可以使用分词结构。

　　Step 1：确认从句主语与主句主语保持一致

　　While technology creates new jobs in some sectors of economy, it takes away jobs in others.

　　Step 2：删除从句主语，将从句的谓语动词改成合适的分词

　　While creating new jobs in some sectors of economy, technology takes away jobs in others.

　　Step 3：根据句意删除或保留从属连词

　　保留表示时间的before和since：

　　Before choosing a college, a student should consider several fACTors.

　　Since coming to the United States three years ago, Carlos has not been back home.

　　删除表示时间的as：

　　Gradually getting used to the way of life here, he became less homesick.

　　删除表示原因的because, since和as：

　　Coming from a very conservative family, Carlos was shocked at the U.S. system of coed dormitories.

　　根据情况选择保留或删除after, while和when：

　　After passing the TOEFL, he felt relaxed.

　　Having passed the TOEFL, he felt relaxed.

　　While preparing for the TOEFL, he lived alone.

　　Preparing for the TOEFL, he lived alone.

　　When asked about his recent life, he kept silent.

　　Asked about his recent life, he kept silent.

　　(2)在定语从句中，如果先行词在从句中做主语，可以使用分词结构

　　People living in the country are often friendly.

　　Children raised in big families can get on well with others.

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