The boy was in a motorcycle accident. The boy limps.(complex sentence)

Joan is a champion weight lifter. Joan is my neighbor.(complex sentence)

The two screws were missing from the assembly kit. The two screws held the bicycle frame together.(complex sentence)

The letter is from my friend abroad. The letter that arrived today.(complex sentence)

I needed butter to make the cookie better. I couldn't find any. I used vegetable oil instead.(compound-complex sentence)

Gena had worn glasses for fifteen years. She decided to get contact lenses. She would be able to see better. She would look more glamorous.(compound-complex sentence)

The children at the day-care center took their naps.They unrolled their sleeping mates(compound-complex sentence)

Louis disliked walking home from the bus stop. The street had no overhead lights. It was lined with abandoned buildings.(compound-complex sentence)

The rain hit the hot pavement. Plumes of steam rose from the blacktop. Cars slowed to a crawl. The fog obscured the driver's vision.(compound-complex sentence)

The pipes had frozen and the heat had gone off. We phoned the plumber. He couldn't come for two days. He had been swamped with emergency calls.(compound-complex sentence)