Ir (to go), present tense

yo voy

tú vas

él / ella / usted va

nosotros / nosotras vamos

(vosotros / vosotras vais)

ellos / ellas / ustedes van
Progress, Vol. 1
Progress, all volumes
Desirable difficulties

If studying feels effortless, you're probably not learning much. A bit of struggle during practice is a good sign. Difficulty isn't the enemy of learning; it's the mechanism.