All writers, even the best writers, commit errors in one way or another while preparing a paper or written document. You can be a literary genious, and still have an error or two in certain pieces which you compose. So, to catch any error, big or small, and no matter how minor the error, using a free grammar checker is a great tool for all writers.
Or, if you are a foreigner or have learning disabilities, relying on the assistance of a grammar check software, is a great way to catch all errors in your written work. A free grammar check program can really improve the overall quality, content, and style of your overall written work. Grammar check software will find grammatical errors, punctutation errors, spelling errors, and sentance structure errors. So, for the best quality work, the best writing style you can put out, and the best written work you can produce, grammar check software is the tool to use.