Simple sentences are important for making clear points. Be careful though - if you only ever use simple sentences in your writing you don’t add much detail, so your reader could lose interest.

Complex-compound sentences are made up of a combination of complex and compound sentences. The compound part contains two main clauses, while the complex part contains one or more subordinate clauses.

Dependent clauses do not express complete thoughts so they are considered incomplete sentences or fragments. You can often identify a dependent clause by a “dependent marker word”— a word or phrase ...

A subordinate clause is an incomplete sentence and cannot be used on it's own. Some examples of subordinate clauses ... snakelocks anemones to be found clinging to the steep rock surfaces. Complex ...