Its important to use apostrophe's correctly. Always read what you have written to see if you've any words out. Correct spelling is esential. Proofread you writing. Between you and i, case is important.
Verbs has to agree with their antecedents.
Employ the vernacular. Foreign words and phrases are not apropos. Contractions aren't necessary. One should never generalize. Comparisons are as bad as cliches.