你问的那个问题---you---further problems with your printer,contact y

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/11/08 15:28:56

你问的那个问题---you---further problems with your printer,contact your dealer for advice.
If···had也可以表示对将来的虚拟语气,语法上也讲得通,你再问问回答问题的人为什么不能用had,

因为后一分句是祈使句而并未用虚拟形式"you should contact ..."故前一分句应理解成真实情形的一种假设,在表示假设的状语从句中用一般现在时表示一般将来时,所以用"if you have..."另,虚拟语气是说话人的语气,通常不会在毫无暗示的情况下用.

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