“The Square 4″ is the materialization of the dream of being able to spread with ease and playfulness all lower secondary school English in elementary school, building on the knowledge that the intellectual quotient of our youth are much higher than in the past. The contents of this text, for the first time in the field of elementary education, have a logical sense and can finally be the right stand where he can implant the notions that will meet in the lower secondary school, giving a logical sequence to the formation. Thanks to this amazing methodology students of the fourth year of primary school will finally enjoy the knowledge of the "will" of "Do" and "does" and drive them as pieces of a chessboard having fun in doing questions and provide answers. The text begins with a revision of the topics covered in the three previous books and is embellished by the presence of a serialized love story between two bunnies with a moral that enhances the value of friendship. It's chock full of games, crosswords and more. Each episode with its related questions, the model simulates the tasks in the classroom of middle school with regard to the "comprehension". Within the text, at the end of each lesson contains an extremely important exercise "PLAY THE GAME"!"At the exact setting in which it is presented is contained the secret of fluidity in speaking.