empezamos

In a sentence

• Empezamos la clase a las ocho en punto.

  We start the class at eight sharp.

  'Empezamos' is used as the conjugated form of the verb 'empezar' (to start), in the first person plural (we) present tense, indicating the initiation of an event by 'we'.

• Cuando oímos la música, empezamos a bailar.

  When we hear the music, we start dancing.

  Here, 'empezamos' introduces an action ('to dance') prompted by another event ('hearing the music'), showing the use of a verb before 'a' and another verb in the infinitive form.

• Si tenemos acuerdo, empezamos con el proyecto mañana.

  If we come to an agreement, we start the project tomorrow.

  In this sentence, 'empezamos' is part of a conditional construction, referring to a potential future action contingent upon the resolution of a current condition.