Lesson on how to use HAVE TO (how to express a strong obligation based on a law)

The video tutorial explains the use of the modal verb 'have to' to express strong obligations imposed by rules or laws. It highlights differences in usage between American and British English, where 'have to' often replaces 'must'. The tutorial covers how 'have to' is used in different tenses and sentence structures, including positive, negative, and interrogative forms. It concludes with a recap and a question to apply the learned concepts.

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