问题标题：
Shouldyouhaveanyquestions,pleasedonothesitatetocontactus.句中should是什么用法?Shouldyouhaveanyquestions,pleasedonothesitatetocontactus.
问题描述：
Shouldyouhaveanyquestions,pleasedonothesitatetocontactus.句中should是什么用法?
Shouldyouhaveanyquestions,pleasedonothesitatetocontactus.
荐军回答：
虚拟条件句的一种用法,在虚拟条件句中,当谓语部分有were,should,had时,if可省略,但原来的句子要部分倒装,即把were,should或had提前.上面的句子其实=Ifyoushouldhaveanyquestion,pleasedonothesitatet...
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