The event was so fun and great.
The event was planned for Saturday.
The event was a big success. We held a charity event to raise money.
I found a ticket to next week's event.
it was a curvaceos event
this event was evolutionary
I'd organized this event!
The parade was his favourite event of the year and he always looked forward to it.
The school is having an event to raise money to give to Haiti.
This exhibition is a biennal event.
A funeral is often a sorrowful event.
The complete subject of the sentence is 'The class'.
Yes, "Winter Olympics" should be capitalized in a sentence as it is a proper noun referring to a specific event and is a title of an event.