Qual é a diferença entre Excuse me e forgive me e I'm sorry ?Você pode indicar exemplo de resposta.

Excuse me - This phrase is often used be polite. Such as when initiating a conversation with a stranger, or simply moving past a stranger in a way that may inconvenience them (Such as moving past someone in a tight lane at a grocery store)

"Excuse me sir, do you have the time?"

"Excuse me sir, can I get past you to reach the bread?"

Forgive me - This is a phrase actively asking for forgiveness (Usually) for something the person did wrong. In medieval times it was often used by peasantry or those of lower rank when initiating conversation with higher ranked individuals (This is anecdotal of me, I have no sources of this. Just from what I remember from historical fiction and accounts)

"Please forgive me for being so stupid..."

"Forgive me sir, but may I please ask a question?"

I'm sorry - This has different meanings depending on context. If you say it to someone after you've wronged them you're saying you're sorry for what you did and you want to make amends. Some people use "I'm sorry" when they can't hear what someone said and they want them to repeat it.

Person1 : Bob is going out with Tina, did you hear?

Person 2: I'm sorry, what did you say?

"I'm sorry I hurt you..."