This document provides a summary of English grammar rules regarding prepositions of time and place, the past simple and past continuous tenses, and questions with and without auxiliary verbs. It defines common prepositions like "at", "in", and "on" and gives examples of their uses. It also explains how to form the past continuous tense and compares it to the past simple. Finally, it outlines how to structure yes/no and information questions with and without auxiliary verbs in different tenses.