Sentence:  There is no reason why most theatergoers should not have a pretty good time at `` Donnybrook '' , unless they <WSD>are</WSD> permanently in the mood of Enright when he sings about how easily he could hate the lovable Irish . 
Meaning of the word marked with <WSD> tags:  have the quality of being; (copula, used with an adjective or a predicate noun)