have to

English Grammar 10: Modal verbs - obligation

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Series English Grammar - Modal verbs: obligation (Must/have to)
 
In this lesson we will start talking about English modal verbs of obligation, so we will take a look at the difference between MUST and HAVE TO. In addition Antonia will explain the difference between modal verbs and equivalents of modal verbs, which is very important to understand, as many grammatical mistakes are made since students do not understand this difference. So let's get cracking!