Are these sentences ok and natıral? Or what would you say?
The preparations are about to end.
We're at the end of the preparations.

Question

Are these sentences ok and natıral?  Or what would you say?
The preparations are about to end.
We're at the end of the preparations.

Answer

They're both fine.

Answer

The preparations (for the party, for the wedding, for his visit, etc.) are almost done.
The preparations are almost finished.
The preparations are almost complete.
We're almost done with the preparations. Hurray!

Answer

We are about to finish the preparations