There are several senses in which a thing may be said to 'be', as we pointed out previously in our book on the various senses of words;' for in one sense the 'being' meant is 'what a thing is' or a 'this', and in another sense it means a quality or quantity or one of the other things that are predicated as these are.
10) "Den-a" zentzu askotan esaten da, Zentzuei buruzko pasartean azaldu genuen bezala.