Clarification from you.

I have composed the following sentences and I would like you to go through them and tell me what you think of them. I need to keep writing in order to improve my writing skills. Thank you as always for your help.

1.Please allow access for the engineer to install my TV in the living room.

2.Could you please provide us with a signed copy of your tenancy agreement via email?
3.Please call the company to see if they have received the parcel
4.He said to me that he is going to a meeting and that he will call after that, to talk about the event that happened in his house the following day.
5.I have also attached a copy of my bank statement for your information
6.Could you please provide your tenancy agreement via email?
7.My girl told me that her teenager brother is sexually active, and he was dating an older girl.
8.I came down to pick up/ collect my parcels but you were not around. Could you please call me when you are back at the desk?