Good writing comprises different elements, for example, clarity, honesty, and correct basic mechanics. One of those mechanics is the ability to vary sentence structure. More mature writing consists of more than just what are called simple sentences. A simple sentence is an independent clause that has a subject and a verb and expresses a complete thought.
Example: I am a freelance writer.
Example: He studies in the library after school.
Example: We like to take walks.
While simple sentences have their places, too many of them make your writing boring, boring, boring. Variety really is the spice of life—-even when it comes to writing mechanics. That’s why good writers use both compound sentences and complex sentences in their writing.
A complex sentence is a sentence with an independent clause and at least one dependent clause.
Example: While I might hitherto have been silent, it’s time for me to tell you how I feel.
Example: After our morning meeting, we’ll be working on the presentation for tomorrow.
A compound sentence is a sentence that contains at least two independent clauses.
Example: I might be willing to forgive, but I’m not able able to forget.
Example: She works on the fifth floor; he works on the third floor.