Why do foreigners find Kannada grammar hard?

Why do foreigners find Kannada grammar hard? Kannada grammar is primarily based on Keshiraja’s Shabdamanidarpana (c. 1260 CE) which provides the fullest systematic exposition of Kannada language. The earlier grammatical works include portions of Kavirajamarga (a treatise on alańkāra) of 9th century, Kavyavalokana and Karnatakabhashabhushana both authored by Nagavarma II in first half of the…