Which of the techniques outlined in this module, and elsewhere in the modules on skills and materials, would you use in order to achieve genuine communication in the classroom?

Which of the techniques outlined in this module, and elsewhere in the modules on skills and materials, would you use in order to achieve genuine communication in the classroom? "Well prepared teachers have a large repertoire of activities for their classes. They can organise preparation and controlled output practice; they can direct students in the acquiring of receptive skills and organise genuinely communicative activities. This repertoire of activities enables them to have varied plans and achieve an activities balance." (Harmer. The Practice of English Language Teaching) Which of the techniques outlined in this module, and elsewhere in the modules on skills and materials, would you use in order to achieve genuine communication in the classroom?