What is the imperative for sum?
The imperatives of sum/esse (to be) are sg. es/esto and pl. este.
What conjugation is sum?
Sum is the present indicative tense of the verb esse, meaning "to be." As with many other living and dead languages, esse is one of the oldest verb forms in Latin, one of the most frequently used of the verbs, and one of the most irregular verbs in Latin and related languages.
What is the gerund of sum?
The verb sum (be) is both irregular and defective, having no gerund or supine, and no participle but the future. Its conjugation is given at the outset, on account of its importance for the inflection of other verbs.