Zamenhof, gave to the world after he had studied many European languages.
Naturally all Esperantists unanimously send him most hearty good wishes for a very speedy recovery, and hope that ere long he will be able to renew his ceaseless labour for the betterment of mankind.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "grava" in a variety of sentences. We hope that you will now be able to make sentences using this word.