Sentence:  Maggie was looking much happier already , clearing a space on the table and chattering about how she could put up a typewriter right there , and be brushing up on her typing so Eugenia would n't <WSD>be</WSD> ashamed of it . 
Meaning of the word marked with <WSD> tags:  have the quality of being; (copula, used with an adjective or a predicate noun)