How do you form Saber commands?

Saber is irregular in the imperative tense

See the tables below for the full conjugations in both positive and negative forms.

Saber Commands - The Imperative Form

Spanish English
(tú) sabe (you) know
(él) sepa (he/she/it) know
(nosotros) sepamos (we) let's know
(vosotros) sabed (you) know
(ellos) sepan (they) know

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Negative Saber Commands

Spanish English
(tú) no sepas (you) do not know
(él) no sepa (he/she/it) do not know
(nosotros) no sepamos (we) let's not know
(vosotros) no sepáis (you) do not know
(ellos) no sepan (they) do not know