Quote Originally Posted by Оля
Quote Originally Posted by tohca
3. Родительный падеж
Эти здания светских обществ. (These are buildings of high soceity)
"Здания" is in a nominative, "светских обществ" is in a genitive. The sentence is ok.
Oh, I'm sorry, the sentence is not ok. Much better is "Это здания светских обществ".