Grammar and Punctuation is the system and structure of a language. The rules of grammar and punctuation help us to decide the order we put words in and which form of word to use. Grammar is most important because it is the language that makes it possible for us to talk about language. Correct grammar and punctuation is key to speak and write English fluently and confidently. Knowledge of English grammar and punctuation helps us to avoid errors that make our English sound strange to native speakers. Correct English grammar and punctuation not only demonstrate our English skills, but also show that we are diligent and have eye for details.