Sentence:  Then there are a pair of old biddies played by Grace Carney and Sibly Bowan who may be right off the shelf of stock Irish characters , but they put such a combination of good will and malevolence into their parts that they <WSD>'re</WSD> quite entertaining . 
Meaning of the word marked with <WSD> tags:  have the quality of being; (copula, used with an adjective or a predicate noun)