Answer: 1. I like forming because it is challenging. Complex sentence with subordinating conjunction because.
2. They go home before dark or they wait for the sunset. Compound sentence with coordinating conjunction or.
3. People fish for a living and they survive. Compound sentence with coordinating conjunction and.
4. You and I are best of friends. Simple sentence.
5. It rained hard so I had to stop gardening. Compound sentence with coordinating conjunction so.
Step-by-step explanation: