Choose which is the correct conjugation.
you (formal) teach
tú enseñas
usted enseña
yo enseña
usted enseñan

The correct formal conjugation of the given verb in Present Tense is:

The conjugation of the verb "enseñar" in present tense, taking into account the personal pronouns is:

Since the conjugation associated with the personal pronoun "usted" is considered formal, the correct option is "enseña."

If you want to learn more about Present Tense in Spanish, you can visit the following link:  link

(yo) enseño

(tu / vos) enseñas / enseñás

(él / usted) enseña

(nosotros) enseñamos

(vosotros) enseñáis

(ellos / ustedes) enseñan

This is the case of a verb conjugated in the present simple. This type of tense is used to describe a habit, routine or something that happens now.

The way to conjugate regular verbs in Spanish in the present simple is as follows:

Verbs ending with AR:

Amar:

yo  Amo

tú  Amas

él/ella/usted  Ama

nosotros/-as  Amamos

vosotros/-as  Amáis

ellos/ellas/ustedes    Aman

Temer:

yo  Temo

tú  Temes

él/ella/usted  Teme

nosotros/-as  Tememos

vosotros/-as  Teméis

ellos/ellas/ustedes   Tememos

Partir:

yo  Parto

tú  Partes

él/ella/usted  Parte

nosotros/-as  Partimos

vosotros/-as  Partís

ellos/ellas/ustedes    Parten

what are the options? then i will gladly you.