No. Grammar is the system of rules and preferences that speakers use to assign meaning to a phrase.
i think it is spelling?
You should have asked Is grammar important when you 'ARE' free writing?Yes, grammar is always important!
A better question is "who" needs to study grammar. If you do not know your grammar, your writing will contain grammatical errors. If your writing is important to your career, you need to study grammar.
Grammar check.
Because grammar is essentially rules for writing structure. Without proper use of it, your writing would sound stupid and incoherent. or simply put... with bad grammar what you say and what you mean will be different.
Grammar that we all use, there is no other kind of grammar.
Grammar is an important part of writing. If you are determined to improve your writing skill nounplus(dot)net is the right site to visit. I improved my English grammar through this site.
Writing is a subject part of language. In writing you do grammar punctuation and spelling errors.
Relaxed Grammar Relaxed Writing styles
If you are writing proper grammar you should not use 'then' at the beginning of a sentence.
have a bad grammar
use grammar correctly
If you are writing possessively, i.e. "Her family's hoiday-home" then it would be correct grammar.