What are forms of oir in present tense?

It seems you're asking about the verb "to be" in the present tense. "Oir" is the infinitive form of the Spanish verb "to hear," which is "oír" in Spanish.

Let's look at the present tense of "to be" in English:

* I am

* You are

* He/She/It is

* We are

* You are

* They are

If you meant to ask about the present tense of "oír" (to hear) in Spanish, here are the forms:

* Yo oigo (I hear)

* Tú oyes (You hear)

* Él/Ella/Usted oye (He/She/You formal hear)

* Nosotros/Nosotras oímos (We hear)

* Vosotros/Vosotras oís (You all (formal) hear)

* Ellos/Ellas/Ustedes oyen (They/You all (formal) hear)