A sentence that begins with a dependent clause and uses the dependent marker word “unless.”

Unless I do my homework, my mother won't let me hang out with my friends

Explanation:

Unless Evelin learns about dependent clauses, someone like me will always have to help her.    ;-)

Explanation:

- "the basic difference between keywords and subjects is that subjects (or "subject headings") have been predetermined, while keywords have not. a keyword is an easy place to start because you can use any word that seems to fit your search; this is called "natural language" searching."