In order to improve the results of primary school students, an investigation was conducted, which showed the effectiveness of modern methods in mastering grammatical concepts. The results of the investigation confirm that interactive methods facilitate the teaching-learning of parts of speech, develop the spirit of observation and streamline the formation of competence to apply grammatical concepts in communication through the personal effort of primary school students. Teaching grammar notions in the primary cycle is the most important link in acquiring, developing communication situations and then in practicing them.In order to prepare the future adult, the teacher communicates through various activities the notions of language. A correct expression is based on the work of a competent teacher and the exercise of a persevering student. Teachers design and implement remedial activities for students who have gaps or they fail to do homework at home, involving parents. These common actions, teacher-parent, ensure the increase of the number of students who identify, analyze and use the parts of speech in communication.