The document discusses verb tenses in English, including the present simple, past simple, and future simple. It provides examples of affirmative, negative, and interrogative sentences for each tense. For the present simple, the verb takes different forms depending on the subject. For the past simple, regular verbs take the "-ed" ending. For the future simple, "will" or "be going to" can be used as auxiliaries. Examples are given for affirmative, negative, and interrogative sentences in each tense.