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變換句子的開頭結構的方法：

　　名詞做主語

　　介詞短語作狀語

　　副詞作狀語

　　狀語從句

　　分詞短語作狀語

　　形容詞短語作狀語

　　主語從句

　　不定式短語做主語或狀語

　　動名詞做主語

　　實例：

　　To begin with, even in such areas as computer science, where it is estimated that much of what a student learns today will be obsolete in just five years, an advanced degree and the education it represents will continue to be of benefit. Unlike undergraduate education, which is divided into a number of small educational units every term, post-baccalaureate education is concentrated on deeper learning in fewer areas. Moreover, most graduate education requires extended, critical focus on complex issues or research projects. And even if the technical information relevant to completing a graduate-level project becomes outmoded, the learned critical methods and problem-solving approaches will not.

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