The document provides a lesson on simple future tense in English. It defines simple future tense as using "will" or "shall" plus the root form of the verb to talk about actions that will occur in the future. Examples are provided such as "John will bake a cake" and "Next year, I shall go to America." Learners are asked to complete sentences by changing verbs into the simple future tense using "will." The lesson emphasizes that simple future tense is used for things that have not happened yet.