1.   As it turned out, neither scenario materialized.

2.   But a reverse scenario materialized.

3.   By the last day, I had given up waiting for my worst-case scenario to materialize.

4.   It helps to identify developments that may indicate whether a particular scenario is materializing.

5.   That scenario never materialized.

6.   That scenario should not materialize.

7.   To be sure, those scenarios may not materialize if the Federal Reserve succeeds in steering the economy clear of a recession.