You run into an old lady and made her drop her bags. Apologize.
I'm so sorry!
You have great news for your friend. You call her/him at 1 am but it's the wrong number. You woke somebody up.
I'm so sorry!
You forgot to wish your best friend a happy birthday.
I'm really sorry!
You go to the supermarket and your sister asked you to buy a chocolate. You forgot to buy the chocolate.
I'm sorry!
You are a waiter/waitress. There is a fly in the food!
I'm really sorry!
You had to be at home at 21:00 but you forgot the time and arrived at 00:00. Apologize!
I'm so sorry!
