Ex: Susita es baja. Bajísima. (Remember to
look at masculine feminine and
singular/plural.)

1. Pedro es guapo.

2. Las muchachas son altas.

3. La tarjeta postal es fea.

4. Los viajeros están contentos.

5. El correo-electrónico es rápido.

1. pedro es guapisimo

2. las muchahcas son altisimas.

3. la tarjeta postal es feisima.

4. los viajeros estan contentisimos.  

5. El correo electronico es rapidisimo.

1. Pedro is handsome.

2. The girls are high.

3. The postcard is ugly.

4. The travellers are contentments.

5. The mail-electronic one is fast.

summerians

explanation:

summerians were an ancient civilization located in mesopotama.

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