I’m free now that my wife has gone to her hometown.
I have freedom because my wife has gone to her hometown
My wife has gone to her parents, so I am free to do anything I want
自由 - am free, have freedom
自由がある - I am free, I have freedom
自由があるから何でもできる - i can do anything because I’m free
実家はhometownかparents house。どっちでも使えるけどparents houseの方がいいと思います。実家帰る時両親の家に泊まるからparents houseがいい。
~~ので~~ because ~~ , since ~~, due to ~~
Because I’m hungry, I’ll eat my lunch
お腹空いてるのでランチ食べます
Due to the weather being bad, the soccer match will be cancelled
天気悪いのでサッカーの試合は中止します
妻が実家に帰るので自由だ
Because my wife has gone to her parents house, I have freedom
イギリス 
