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Conjugate the verb preferir. What takes place in the conjugation that makes this verb a stem-changing verb?

I don't know. I posted the question because i dont know the answer.

what about the second part?

At least tell me what it could be.

Oh gosh somebody please help.

This has not helped

Stem-changing verbs in the present tense use the same endings as regular -ar, -er, and -ir verbs when conjugated, but undergo a vowel change in the last syllable of the stem.

In this case, all the forms of preferir have the -er verb ending and the last syllable is different for each one. For example: Pref-er-ir, Pref-er-is, Pref-er-e.

As always, don't directly copy this answer unless you want to get caught cheating. Change it up a bit and you should be fine, happy holidays everyone!

To conjugate the verb preferir, we will follow these steps:

Step 1: Identify the stem of the verb. The stem of preferir is "prefer-".

Step 2: Identify the regular ending for each subject pronoun. The regular endings for the -ir verbs in present tense are:

- Yo: o
- Tú: es
- Él/Ella/Usted: e
- Nosotros/Nosotras: imos
- Vosotros/Vosotras: ís
- Ellos/Ellas/Ustedes: en

Now, let's look at why preferir is considered a stem-changing verb. In the present tense, the e in the stem prefer- changes to an ie in most subject pronouns (except for nosotros/nosotras and vosotros/vosotras).

This change occurs to maintain the sound of the verb throughout its conjugation. The letter "e" in the stem changes to "ie" in certain subject pronouns to maintain the pronunciation of the verb.

Therefore, the stem-changing part in the conjugation of preferir is the change from "e" to "ie" in most subject pronouns. The conjugation of preferir in present tense would be:

- Yo prefiero
- Tú prefieres
- Él/Ella/Usted prefiere
- Nosotros/Nosotras preferimos
- Vosotros/Vosotras preferís
- Ellos/Ellas/Ustedes prefieren

Remember to always identify the stem and regular endings when conjugating verbs to understand why certain verbs, like preferir, are considered stem-changing.

Preferer is a stem changing verb, because its stem vowel changes in the present.

http://www.spanishdict.com/conjugate/preferir

Study the conjugation. What do you see that makes this a stem-changing verb?