​Mixed-up, mangled expressions; foreign-language faux pas; confused and confusing 
terms; commonly mispronounced words--they're all explained in this useful
guide!  [Note:  This is an online edition of a printed text.]

---

​The Online Writing Lab (OWL) at Purdue University houses writing resources and
instructional material, [Purdue] provide these as a free service of the Writing
Lab at Purdue. Students, members of the community, and users worldwide will find
information to assist with many writing projects. Teachers and trainers may use
this material for in-class and out-of-class instruction."

MLA Formatting and Style Guide: owl.purdue.edu/owl/research_and_citation/mla_style/mla_formatting_and_style_guide/mla_formatting_and_style_guide.html
​Avoiding Plagiarism: owl.purdue.edu/owl/avoiding_plagiarism/index.html

​As this site notes, "[g]ood writing skills are essential for effective communication!"  This site provides an excellent review of the elements of good writing, providing specific information on the elements of the 5 paragraph essay as well as the many modes of writing you may be asked to complete in your classes:  narrative, descriptive, persuasive, cause and effect, comparison and contrast, definition, biographical, and research.