Sentence:  Eventually such incidents <WSD>became</WSD> more sporadic , and more sharply demarcated from her day-after-day behavior , and in one particular session , after several minutes of such behavior - which , as usual , went on without any accompanying words from her - she asked , eagerly , `` Did you see Granny '' ? 
Meaning of the word marked with <WSD> tags:  enter or assume a certain state or condition