age 13 Music Theory for Songwriters - Home It has a chord map using Roman Numerals that shows every possible chord for Major scales and what chords they move toward. Very useful for someone that's trying to find some inspiration to spice up a song.
12 verb tenses English grammar - 12 Verb Tenses that are in the English language. Tenses are all used to indicate action that has taken place in the past, present, and future. Learning English vocabulary and grammar
Everybody should know about some general and common good manner. So just have a look to this pic and learn good manners. You can enhance your talking and writing with these manners. If you want any grammatical help then you can take help from here.