поставьте предложения в правильном порядке I"m sorry,I didn"t see it was

Your bag is very heavy! Just take it off. Do you mind! Im sorry. I didnt see it was on your shoulder. Its OK.

Lets analyze the sentences:

In these expressions, a person tries to help a friend solve a problem with a heavy bag. In the beginning he advises to remove the bag and asks to take off it. Then he decided to do it with his hands. He doesnt notice an object. The person notices his mistake. After that an apology follows. The question is solved and he says about it.