Explain how stem-changing -ir verbs are different from stem changing -ar and -er verb in the present subjunction

Stem-changing -ir verbs are different from stem-changing -ar and -er verbs in the present subjunctive in that they have stem changes in both the nosotros and vosotros forms. Stem-changing -ar and -er verbs only have stem changes in the nosotros form.

For example:

- Hablar (to speak) would be conjugated in the present subjunctive as hable, hables, hable, hablemos, habléis, hablen. There is no stem change.

- Comer (to eat) would be conjugated as coma, comas, coma, comamos, comáis, coman. The stem changes from e to ie in the second and third person singular forms (comas, coma).

- Dormir (to sleep) would be conjugated as duerma, duermas, duerma, durmamos, durmáis, duerman. The stem changes from o to ue in all forms except the first person singular (duerma).

- Pedir (to ask for) would be conjugated as pida, pidas, pida, pidamos, pidáis, pidan. The stem changes from e to i in the second and third person singular forms (pidas, pida).

So, stem-changing -ir verbs like partir (to leave) would be conjugated as parta, partas, parta, partamos, partáis, partan, with stem changes in the second and third person plural (partáis) as well as in the first person plural (partamos).

Explain in spainish what makes a turista cortes

Un turista cortés es alguien que muestra respeto y consideración hacia la cultura y las costumbres del lugar al que está visitando. Ser cortés implica evitar comportamientos que puedan considerarse ofensivos o inapropiados, y en su lugar optar por comportarse de manera apropiada y educada. Un turista cortés también es amable y considerado con aquellos que se encuentran en su entorno y trata de tener un impacto positivo en el lugar que está visitando.

Explain why the following sentence is incorrect.

Es important queue dormes un poco antes de la excursion

The following sentence is incorrect because it contains two errors:

1. "important" should be spelled as "importante" in Spanish.
2. "queue" should be spelled as "que" in Spanish.

The correct sentence would be: "Es importante que duermas un poco antes de la excursión." which translates to "It's important that you sleep a little before the excursion."

Describe 3 local attractions or activities a visitor to Puntarenas might see

1. Parque Marino del Pacifico - This is a popular tourist spot in Puntarenas that features a wide variety of marine life, including turtles, sharks, and dolphins. Visitors can take guided tours, attend educational presentations, and even swim with the marine life in specially designed pools.

2. Paseo de los Turistas - This is a popular boardwalk in Puntarenas that stretches along the beach and offers stunning views of the Pacific Ocean. Visitors can enjoy a leisurely stroll, grab a bite to eat at one of the many restaurants, and shop for souvenirs at the local markets.

3. Isla Tortuga - This island is located off the coast of Puntarenas and is a popular destination for day trips. Visitors can enjoy snorkeling, scuba diving, and sea kayaking, or simply relax on the island's beautiful white sand beaches. The island is also home to a variety of wildlife, including monkeys and exotic birds.

What makes the stone speres of Diquis Unique?

The stone spheres of Diquís are unique primarily because of their size, their age, and the fact that they were made with great precision. These large stone spheres, which can range from a few centimeters to more than two meters in diameter, were carved from granodiorite rock from the nearby Talamanca Mountains using primitive tools around 600 AD to 1500 AD.

Their exact purpose remains something of a mystery, but many believe that they were used for ritualistic purposes, as they were often found in clusters and aligned with the stars. Others suggest that they were used as status symbols or to mark important locations.

Regardless of their true purpose, what makes them unique is the level of craftsmanship that went into their creation. The spheres are perfectly round and feature precise, symmetrical patterns, despite being carved with primitive tools. The fact that they have remained intact for so many centuries is a testament to the skill and precision of the ancient artisans who made them. Today, many of these stone spheres can be seen throughout the southern regions of Costa Rica and have become an important symbol of the country's cultural heritage and history.

To understand the differences between stem-changing -ir verbs and stem-changing -ar and -er verbs in the present subjunctive, it's essential to first comprehend the concept of stem-changing verbs.

Stem-changing verbs, also known as boot verbs, undergo a vowel change in the stem (the part of the verb before the ending) in certain conjugations. In the present tense, the stem change occurs in all forms of the verb except for nosotros and vosotros. Stem-changing verbs are classified into three categories based on the vowel change: -ar verbs, -er verbs, and -ir verbs.

Now, let's focus on the specific differences between stem-changing -ir verbs and the -ar and -er verbs in the present subjunctive:

1. Stem-changing patterns:
- Stem-changing -ar verbs: In the present subjunctive, stem-changing -ar verbs undergo stem changes in the e>i or o>ue patterns. This means that the e in the stem changes to i, or the o changes to ue, in all subject pronouns except for nosotros and vosotros. For example, in the verb pensar (to think), the stem changes from pens- to piens- in the subjunctive form "piense".
- Stem-changing -er verbs: Similarly, stem-changing -er verbs follow the e>i or o>ue patterns in the present subjunctive. The e in the stem changes to i, or the o to ue, in all subjects except nosotros and vosotros. For instance, in the verb querer (to want), the stem changes from quer- to quier- in the subjunctive form "quiera".
- Stem-changing -ir verbs: However, stem-changing -ir verbs in the present subjunctive follow a different pattern. The e>ie or o>ue stem change only occurs in the third-person forms (usted, él, ella, ustedes, ellos, ellas). The first and second-person forms (yo, tú, nosotros, vosotros) maintain the regular -ir verb conjugation pattern.

2. Examples:
- For an -ar verb like hablar (to speak), in the present subjunctive: "hablar" becomes "hable" (stem change from hablar to habl-).
- For an -er verb like comer (to eat), in the present subjunctive: "comer" becomes "coma" (stem change from comer to com-).
- For an -ir verb like vivir (to live), in the present subjunctive: "vivir" becomes "vivas" (stem change from vivir to viv-), only in third-person forms.

It's important to note that not all -ir verbs experience stem changes in the present subjunctive. Only certain -ir verbs follow this pattern.

To determine the specific stem change for a particular verb, consult a reliable Spanish grammar resource or dictionary. With practice, you'll become more comfortable recognizing and using stem-changing verbs in the present subjunctive.