1. The boy was limping, but he kept pace with the other marchers. 2. Hang gliding is a popular pastime; it takes skill and a bit of daring.
3. You seem to have found, my good friend, a real peace in life.
4. Riding the unicycle blindfolded, the clown made it across the bridge.
5. These colors were chosen for the school: purple, green, and white.

a comma linking two independent clauses

independent clauses linked without a conjunction

a sentence demonstrating direct address

an introductory participial phrase

a mark indicating that a list will follow