1) The document discusses the different ways to express future tense in English using will and going to. Will is used for decisions, predictions, and promises while going to expresses plans and intentions. 2) Examples are provided for the affirmative, interrogative, and negative forms of will and going to. 3) Other ways to express future tense include using the present and present progressive tenses when referring to schedules. 4) The future progressive and future perfect tenses are also discussed as ways to describe events that will be ongoing or completed at some point in the future.