Sentences

Please go through my essay and let me know if the sentences are well structured.

The tenant is aware that we do not accept deliveries for non- residents.

The only reason I accepted the suitcase was that the courier told me that it was for flat 82, and Carolyn had told me that she was expecting a suitcase . Otherwise, I would have refused it. Otherwise, I would have refused it.

I don’t think I mentioned to you that the lady was a tenant. If I did, I am really sorry.

On a side note, I have retrieved the suitcase from the flat, and Carolyn's one is also in the flat. The keys have been stored in the key safe