Simple examples:
* Everybody was excited for the party.
* Everybody needs to wear a helmet while riding a bike.
* Everybody knows that the earth is round.
With different sentence structures:
* The teacher asked everybody to raise their hand if they understood the lesson.
* Everybody in the room was surprised when the lights went out.
* Everybody, even the shy ones, had a great time at the karaoke night.
In more complex sentences:
* Everybody has a role to play in making our community a better place.
* Everybody was aware of the risks involved, but they decided to go ahead with the plan anyway.
* Everybody agrees that it's important to be kind to each other.
Remember that "everybody" is singular, so you'll need to use a singular verb with it.