Learning a new language demands time. It needs patience too. (simple sentence)

Bacon stepped to the front of the room. He tripped over the microphone cord. (compound sentence)

Harrison’s Chemical Corporation is a company. It sponsors important research. (complex sentence)

We looked at only two houses before buying the house of our dreams. (periodic sentence)

Pigeons adjust to farm life. They adjust to city streets. In city streets they peck their livelihoods from garage heaps. (compound-complex sentence)

She was greatly disappointed to find that the picture did not look like her. (sentence with to opener)

He cut the grass. She trimmed the bushes. The children swept the clippings and put them into plastic bags. (long sentence)

She stood there. She watched the fair woman walk down the long line of galleries with grace and majesty. (sentence with a modifying phrase)

Tom went to college. His brother James didn’t. James had a very weak heart. (compound-complex sentence )

After losing his glasses，Tom drove down the wrong side of the street. He ran a stop sign，and went through two red lights. (sentence with parallel structure)