i know tableau blanc means white board. i think it means, he has a white board
il = it y = there a = has des = of il y a des = it there has of so maybe: there are
Il y a means "there is / there are" in English.
"il y aurait ..." is translated "there would be..."
il y a des éclairs mean: there are lightnings / thunderbolts
there is/ there are
There is
There is of bedrooms but i think you mean il y a deux chambres ? There are 2 bedrooms
"Dans ma famille il y a..." = In my family there is... (or: there are...).
Il y a un château means "there is a castle" in French.
il y a un ... > there is a ...
"Il y a trois ans": it has been three years (since something).
il y a