The current study was carried out to examine the effectiveness of the use of direct instruction together with the digital dialogue cards in teaching English introductory phrases and mutual dialogue to students with intellectual disabilities was studied. The study started with four students with mild intellectual disability, however, one student dropped out due to absenteeism and the study was concluded with three students. Multiple probe model with probe phase of the single-subject research model was used in teaching English introductory phrases and the ability to establish mutual dialogue. The research findings showed that the use of the direct instruction method together with the digital dialogue cards was effective in teaching the target behaviours to the three participants. It is also seen that after the end of the instruction the participants provide generalization between people, environments and tools regarding the target behaviours and they maintain the target behaviours at a high rate after 2, 4 and 6 weeks intervals. The social validity findings of the study show that the parents of the participants were satisfied with the study and expressed positive opinions about the research. At the end of the research, suggestions were made for the future.