A task-based teaching sequence is built around a series of activities in which learners focus primarily on the exchange of meanings. Built into this are a variety of activities which encourage learners to think about the language they are using. I will begin by looking at the genesis of a task sequence. I will then go on to examine the ways in which that sequence allows for a focus on language. In doing this I will develop a distinction between a focus on language and a focus on form. A focus on language I define as learner driven in response to communicative needs. It involves learners calling on whatever resources they can in order to help them express themselves.