The manager told the employees to come to work on time. He told them to manage their workload. He also told them to attend important meetings. (parallel structure)

She was feeling very sad. I sent her some flowers to cheer her up. (compound sentence)

A thousand thanks could not convey my appreciation to my dear friend Sally. She has been at my side every step of the way. (complex sentence)

Today's libraries are full of new technology. They also continue to celebrate the printed word.(compound sentence)

He was worried about losing his job. He tried to put it out of his mind and smiled.(complex sentence)

She was young. She was crazy about pop music. She is more into jazz now. (complex sentence)

Classic literature is important. It opens up a perspective to different worlds. (complex sentence)

I was about to settle in for the night. My friends invited me to go to the movies with them. I got dressed again and left my apartment. (compound-complex sentence)

Joyce will try taking a high-speed train. Because the plane fare is too high.

One definition of jogging is running at a speed lower than 6 miles per hour, this is a speed that can be kept by an individual for a long time.