become의 과거형으로, 어떤 상태가 되었거나 어떤 대상이 되었음을 의미한다.
Past tense of 'become'; to have started to be something or to have entered a certain state.
예문:
"He became the CEO of the company last year."
"The sky became dark just before the storm hit."
"She became interested in photography during her travels."