помогите люди добрые и умные, тема Second Conditional

спасибо тебе огромное, выручила

I would buy a big house if I had more moneyIf I didn`t have classes today, I would go to the cinemaIf we always did our homework, our teacher would be happy.The world would be better if we cleaned the streets If I got a good mark I`d be surprisedIf I were famous, I would get a lot of money