Differences between HAVE TO and MUST (to express strong obligation, to indicate a necessity, etc.)

This video tutorial explains the differences between 'have to' and 'must' in English. It covers their usage in American English, sentence structures, and how they express obligation, recommendation, likelihood, and necessity. The tutorial also discusses their application in past and future tenses, providing examples and a recap of key points.

Provide an example of a strong obligation using 'have to'.

Explain how 'must' is used to express certainty.

What is the significance of using 'have to' in the context of future obligations?