Englisch Beispielsätze mit "grammarian"

I'd like to ask a grammarian, isn't it possible to think of 'be + participle' like you do V C and such?
Translate from Englisch to Spanisch

He learnt for the first time that there was no law of transmutation, as in his innocence he had supposed (there was, in some degree, but the grammarian did not recognize it), but that every word in both Latin and Greek was to be individually committed to memory at the cost of years of plodding.
Translate from Englisch to Spanisch

Somebody might have come along that way who would have asked him his trouble, and might have cheered him by saying that his notions were further advanced than those of his grammarian. But nobody did come, because nobody does; and under the crushing recognition of his gigantic error Jude continued to wish himself out of the world.
Translate from Englisch to Spanisch