It can mean eroded, worn out, or crumbling.
(Basically it's saying that the barn is falling apart because it's so old and destroyed from weather.)
Answer:
I am happy to help but I just need to know if we are talking about Anne Frank? or a different Anne?
Answer:
1- I am thinking of moving soon
2-Are you going out tonight?
3- We would love to come and see you this weekend but Lorenzo is working this weekend.
4-I am too tired to finish my homework now. I think I'll do them tommorow morning.