这两句是动词不定式吗?to 后为什么没有用动词原形!my pen seems to have walked!----------------------------------In addition to preparing their houses,people in these regions need to prepare themselvesIn addition to...have walked 不是完成时吗？
问题描述：
这两句是动词不定式吗?to 后为什么没有用动词原形!
my pen seems to have walked!
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In addition to preparing their houses,people in these regions need to prepare themselves
In addition to...
have walked 不是完成时吗？
答
my pen seems to have walked!have不是动词原形吗
In addition to中to是介词,后面得用名词形式