时态考点归纳与分析

4. The country life he was used to _________ greatly since 1992. (山东卷)

A. change                      B. has changed        C. changing                D. have changed

【分析】答案选 B。since 1992这类时间状语通常与现在完成时连用。主句主语是the country life，句中he was used to是省略了关系代词that的定语从句。

二、过去完成时考点

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