The document discusses various English grammar topics including: 1) Using the present simple tense to talk about future events scheduled on a timetable. 2) Using "be about to" plus an infinitive and verbs plus infinitive to refer to actions that will happen soon. 3) Using the present perfect simple tense with words like "just", "for", and "since" to indicate a time frame. 4) How to change direct speech into reported speech by modifying verb tenses and pronouns.