The aim of this study is to investigate what interpersonal relationships are constructedwhen a teacher comments on students’ texts. The investigation is based on 201 comments from one teacher and are analysed with a qualitative and a quantitative method. The theoretical frame of the investigation is founded on functional grammar and interpersonal perspectives, using the categories address, directions, praise, caution, and additions. The results show that directions are the most common feature of interpersonal perspectives found in the teacher’s comments. The second most common category is additions, constituting of confirmations, corrections and help in the teacher’s comments. Furthermore, two equally detected categories in the investigation are address and praise that are detected 53 times each. The least detected category is caution.