If your feet ______(be) smaller,you could wear my shoes

问题描述:

If your feet ______(be) smaller,you could wear my shoes
如题.
为什么要用were而不用are?

If your feet are smaller,you could wear my shoes
假如你的脚小点,你就能穿我的鞋了.
此句为虚拟式.结构为:if+过去式.,could/would.
补充:为什么要用were而不用are?因为虚拟式的固定形式就是过去式.这个应该记住.