This document provides information on several English grammar topics:
- Phrasal verbs, which are verb combinations with prepositions or adverbs that take on new meanings, like "tore up" or "broke down."
- Modal verbs of obligation like "have to," "must," and "should" which express levels of obligation or advice.
- Future tenses formed with "will" to express predictions and "going to" to express intentions.
- Tag questions using forms of "to be" added to statements to check or deny the content, like "It's a beautiful day, isn't it?"