Which two categories of verbs have no special change at all in the preterite? Which category of verbs DOES have a change in the preterite? Where are those changes?

venirvin        

quererquis

decirdij

traertraj

Explanation:

An –ir verb that stem changes in the present tense will stem change in the preterite but only in the third person forms ( él, ella, usted, ellos, ellas, and ustedes). Any –ir verb that stem changed o>ue will stem change o>uin the preterite in the third

im so sorry if this does not help but i tried

ummmthings that are different in peru than in the united states:

1. granola bars: they are not made of granola. they are made of quinoa and other grains that remind me of the millet i feed my birds at home. they have the texture of styrofoam but are cheap and comparatively healthy.