Looking on the internet deeply has found these results:

That had been changed a while before that. is the most popular phrase on the web.

That had been changed awhile before that. 1183,000,000 results on the web	That had been changed a while before that. 1846,000,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
But the locks had been changed, and he used a crowbar to get inside. Terror Law had been changed. This afternoon, I reverted the secret emergency code that had been changed. Perhaps the world had been changed by adopting Windows too. EPSO replied that the language requirements for competitions had been changed in the meantime. And then we were assured by Mrs �iller only nine months ago that Article 8 of the Anti The second time, obviously, the world had been changed. Several entries had been changed over the past couple weeks...	Look, sometimes people take a while before conceiving. I'll have the locks changed before then. But my problem with the crowders started a while before that. Perhaps the world had been changed by adopting Windows too. EPSO replied that the language requirements for competitions had been changed in the meantime. Several entries had been changed over the past couple weeks... But my problem with the crowders started a while before that. This afternoon, I reverted the secret emergency code that had been changed.

That had been changed awhile before that.

1183,000,000 results on the web

That had been changed a while before that.

1846,000,000 results on the web

More popular!

But the locks had been changed, and he used a crowbar to get inside.
Terror Law had been changed.
This afternoon, I reverted the secret emergency code that had been changed.
Perhaps the world had been changed by adopting Windows too.
EPSO replied that the language requirements for competitions had been changed in the meantime.
And then we were assured by Mrs �iller only nine months ago that Article 8 of the Anti
The second time, obviously, the world had been changed.
Several entries had been changed over the past couple weeks...

Look, sometimes people take a while before conceiving.
I'll have the locks changed before then.
But my problem with the crowders started a while before that.
Perhaps the world had been changed by adopting Windows too.
EPSO replied that the language requirements for competitions had been changed in the meantime.
Several entries had been changed over the past couple weeks...
But my problem with the crowders started a while before that.
This afternoon, I reverted the secret emergency code that had been changed.