If that were the case-well, such a threat had not materialized during the last month.
We can get you removed from this situation before that threat materializes.
But they were wary, knowing that soon enough some new threat would materialize.
He could ease back on planned cuts if new threats materialized.
He concluded that the threat of lost jobs did not materialize.
But earlier threats of violence did not materialize, and the demonstrations were relatively small.
But the threat came too late and in any case never materialized.
Now the Russian threat has finally materialized, but in a very different form.
Even worse, it will lose the ability to rally the world, and the American people, to the defense of the country when real threats materialize.
The day had been gray ever since sunrise, and now a threat of rain was materializing.