This document provides information about modals and includes exercises and links to learn more. It discusses general rules for modals and notes that "have to" is a semi-modal. It also lists links to worksheets and lessons on modals such as "should, ought to, had better" from agendaweb.org and passporttoenglish.com for further practice.

1. Modals
Rules and exercises

2. General rules

3. Have to is a semi-modal.

6. Answer key

12. EXERCISES /LINKS
• should, ought to, had better - Learn English Online
(passporttoenglish.com)
• https://agendaweb.org/verbs/modals-worksheets-lessons