Un hombre nada en la piscina. cierto falso 2. un hombre lee una revista. cierto falso 3. un chico pasea en bicicleta. cierto falso 4. dos muchachos esquían. cierto falso 5. tres personas visitan un monumento. cierto falso 6. un hombre bucea. cierto falso 7. hay un equipo de hockey. cierto falso 8. una mujer toma el sol. cierto falso

Clarification:

I found the illustration that is needed to complete this exercise online. I added it here.

1. Cierto.

2. Falso.

3. Cierto.

4. Falso.

5. Cierto.

6. Falso.

7. Falso.

8. Cierto.

Explanation:

In this exercise, you have to decide if the sentences are true or false depending on the illustration.

Sentences 1, 3, 5 and 8 are true.

2. It is false because the man is reading the newspaper.

4. It is false because there are no guys skiing.

6. It is false because there is no man diving.

7. It is false because there is no hockey team.

corras is the only one that is informal but doesn't follow the suffix rule. correr is the verb. corre is the formal verb form. corra would be used as the formal is corre ended with an a.

your best bet would be corras, it's the only one that is informal but is still wrong