I wish it had never happened.那事如果没有发生过该多好呀

今天的几个句子是有关道歉的：1.Please forgive my rudeness. 请您原谅我的失礼。2.I don't know how to apologize to you. 我不知该怎样向您道歉。3.I didn't mean that. 我并没有那个意思。4.I'm sorry to trouble you. 真对不起，给您添麻烦了。