시작되다 = be started

되다 = to become, to come/arrive, to be permissible 하다 = to do It's much easier to read example sentences, I think ~ http://www.indiana.edu/~korean/K202/G9_6.html There's one grammar like "V해햐 돼요" = Have to do (something)

시작되다 = Going to start 시작하다 = To start