Question: what are basic grammar rules?
Answer: Use Active Voice. ...  Link Ideas with a Conjunction. ...  Use a Comma to Connect Two Ideas As One. ...  Use a Serial Comma in a List. ...  Use the Semicolon to Join Two Ideas. ...  Use the Simple Present Tense for Habitual Actions. ...  Use the Present Progressive Tense for Current Action. ...  Add "ed" to verbs for the Past Tense.