Formal Written English (WE) vs. Spoken English (SE), everyday, informal. WE: They haven't got anything. SE: They ain't got nothing. WE: I love the player who scored. SE: I love the player that scored. WE: We were there yesterday. SE: We was there yesterday. WE: If I were a rich man SE: If I was a rich man. WE: Pass me those books! SE: Pass me them books! WE: I played well. SE: I played good. WE: She is my wife. SE: She is me wife. WE: He / She / It doesn't SE: He / She / It don't Why spoken grammar is important? https://youtu.be/gDYy3qucwFY Professor Micheal McCarthy