英语翻译I didn‘t know you were coming,so I didn’t buy any beer.(If…虚拟)

英语翻译I didn‘t know you were coming,so I didn’t buy any beer.(If…虚拟)
英语翻译
I didn‘t know you were coming,so I didn’t buy any beer.(If…虚拟)

英语翻译I didn‘t know you were coming,so I didn’t buy any beer.(If…虚拟)
i would buy some beer if i have known you were coming

If I know you were coming,I would buy some beer.