that在名词性从句中何时放句中?何时放句首?最好举例说明

问题描述:

that在名词性从句中何时放句中?何时放句首?最好举例说明

一般不放于句首,而是用it 做形式主语,把that引导的主语从从句房子在后面,避免头重脚轻,使句子平衡.
It's very nice that we won the game.