"back where we began" is correct and usable in written English.
You can use it to refer to returning to a previous point in a discussion, narrative, or conversation. For example, "We've gone in circles for a while, let's try and get back where we began".
And the rest of us are right back where we began.
There are multiple permutations, but all too suddenly we're back where we began.
I couldn't deal with it.' We're back where we began - on the wisdom of actors being public figures.
"We're right back where we began 200 years ago," read an anti-busing banner displayed during the reënactment of the Battle of Bunker Hill, on June 17 , 1975
They don't want another Simpson-Mazzoli, another bait-and-switch that lets in another 11 million illegal immigrants — and brings us back where we began.
She becomes a toreador herself, strutting in the footsteps of her father, and soon we are back where we began, in Seville, with a roaring crowd and a raging bull.
But we must also be sure that the solutions do not bring us back to where we began.
Mike graciously accompanied Scott back to where we began our trek, while the rest of us continued on to our first campsite.
Which brings us back to where we began: whether Ms. Reno should find that there are "reasonable grounds" to investigate Mr. Ickes any further.
"Even if Roe v Wade is repealed under a Bush second term and the states criminalise abortion again, all that will happen is that we go back to where we began the fight for rights".
SARAH GREEN CARMICHAEL: Now that we've talked about a bunch of different case studies and a bunch of different concepts from the book, I'm wondering if we can go back to where we began with the challenge that Sony was facing in 2005 from what was then the tiny company competitor of GoPro.
