This document discusses the use of "be going to" and "will" to express future actions and plans in English. It provides the structures for forming affirmative, negative, and interrogative sentences with "be going to" and "will" along with examples of their uses. "Be going to" expresses plans or intentions for the near future, while "will" is used to make predictions or express willingness without a specific plan. The structures covered include subject + be (am/are/is) + going to + infinitive and subject + will/shall + infinitive.