Commentary: Syntax Is: NP BECOME PREDICATE (implies the thing had prior existence before altering, or changing its state)
Her face became pale with fear.
The water gradually became ice as the temperature dropped.
Her former friend became her worst enemy.
As the sun rose, the landscape before us became clear.
WordNet 3.0 Sense Numbers: 1, 2
NOTE: (takes no predicate or object) Syntax Is: NP BECOME
What becomes has duration.
WordNet 3.0 Sense Numbers: 3
That shade of red doesn't become her.
Screaming in public does not become you.
Mourning becomes Electra.
WordNet 3.0 Sense Numbers: 4