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　　例句：

　　The same dramatic technological changes that have provided marketers with more(and more diverse)communications choices have also increased the risk that passionate consumers will voice their opinions in quicker,more visible,and much more damaging ways.(2011英语一Text 3)

　　【主干】

　　①主句The same dramatic technological changes have also increased the risk.

　　②定语从句(先行词changes)：that have provided marketers with more(and more diverse)communications choices

　　③同位语从句(修饰risk)：that passionate consumers will voice their opinions in quicker,more visible,and much more damaging ways.

　　【主句】

　　The same dramatic technological changes have also increased the risk.

　　①主干：The changes主语，have increased谓语，the risk宾语

　　②修饰：same、dramatic、technological定语(修饰changes)，also状语(修饰整个句子)

　　【定语从句】

　　that have provided marketers with more(and more diverse)communications choices

　　①主干：that主语，have provided谓语，marketers宾语，with choices宾补

　　②修饰：more and more diverse、communication定语(修饰choices)

　　【同位语从句】

　　that passionate consumers will voice their opinions in quicker,more visible,and much more damaging ways.

　　①主干：the consumers主语，will voice谓语，opinions宾语

　　②修饰：passionate定语(修饰consumers)，in ways状语(修饰voice)，quicker,more visible,and much more damaging定语(修饰ways)

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