Only when you nearly lose someone,you fully realize how much you value him.这句话对吗,only 加状语放句首,句子不是要部分倒装的吗?

问题描述:

Only when you nearly lose someone,you fully realize how much you value him.
这句话对吗,only 加状语放句首,句子不是要部分倒装的吗?