Grammar is one of the most problematic areas when it comes to teaching a language; to know if or when, and how grammar should be taught, are relevant questions to all language teachers. The aim of the study was to investigate teachers’ attitudes towards teaching grammar, and how much, how and why they use the methods that they do. Therefore semi-structured interviews were undertaken with six 9th grade English teachers. The main results showed that all six teachers were positive to formal instruction, and they considered implicit knowledge of grammar superior to explicit knowledge. The teachers found it problematic to estimate the time spent working on grammar, mainly because half of them saw working on grammar in a wider perspective. All the teachers used the deductive method of teaching, but only half of them also used the inductive method. All but one teacher mentioned the students as being the most important factor that influences their teaching, and also time is mentioned and considered by two of the teachers as a reason for using a text book. The results of this study may be of help to foreign language teachers, or student teachers when considering how to teach grammar.