S/F and S/CD/RO

Several people fell, the sidewalks were icy.

Because it rained.

A run-on sentence is wrong.

This is a fragment: As the sun slowly faded.

Rosa won the spelling bee this year.

We will go to the movies; we'll leave at noon.

Gathered around the baseball field.

Cristina played the guitar and sang songs.

Some students left, but some stayed.

Cristina played the guitar and sang songs she knew.

Have you ever been to England?

This is a fragment: After school, Bill ran home.

The waves were enormous, the surfer rode them.

Outside, a storm howled.

A compound sentence can use a semicolon.

Luke raked the leaves, he made a pile of them.

They wanted to surprise her, so they gave her a gift.

The sun slid below the horizon.

Tom is a good student, yet he struggles at times.

Dark clouds gathered above the baseball field.