Father would have stayed home if we had a family party.
爸爸也会在家如果我们有一个家庭派对.
Father would have stayed home if he had finished his work in his company.
爸爸也会在家如果他已经完成公司的作业.
Father would have stayed home if his company dismissed him.
爸爸也会在家如果他的公司将他辞退.
Father would have stayed home if he was free.
爸爸也会在家如果他很空闲.
这是我自己打的~不知哪个符合你的要求?