Formal mandates that are highly irregular are:
The commands are the priority orders or suggestions that are provided to avoid errors, in these cases the imperative conjugation of each indicated verb is used.
It is mentioned that a verb is "highly irregular" in its imperative conjugation, when its conjugated form changes a lot with respect to its infinitive form. In the case of the selected verbs, their infinitive forms are:
As you can see, the conjugated form changes from the infinitive form the second or third letter, sometimes changing c for g among others that make them very irregular verbs.
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