The document provides information about tenses in English, including:
1. It summarizes the forms of present simple, present progressive, future intended and future simple tenses, including their affirmative, negative and interrogative forms.
2. It explains the differences between present simple and present progressive tenses in terms of their uses.
3. It discusses the differences between future intended and future simple tenses.
4. It provides examples of using the present simple and future simple in conditional and time clauses.