Abstract:
This study deals with the teachers’ talk ofthe English teachers at Mts Aisyiyah Sumatera Utara. It is aimed to describe the type of speech function used by English teachersin English classroom at Mts Aisyiyah Sumatera Utara, to find out the most dominant type used by English teachersin English classroom at Mts Aisyiyah Sumatera Utara. The research of this thesis was carried by using descriptive qualitative. The researcher used technique of collecting datathey are observation, interview and Audiovisual material. The data of transcription are classified into six basic types of speech function. There arereferential function, emotive/expressive function, conative/directive function, phatic function, poetic function, metalinguistic function. The researcher observed two English teachers at Mts Aisyiyah Sumatera Utara. From twoteachers who observed, the researcher found different total utterances and percentage. The total utterance of twoteachers is 70utterances which classified into six types of speech function. Themost dominant type used by all teachers is conative/directive function. There are 34 utterances of 70utterances (48.5%)belong to conative/directivefunction.