Given that Lorenzo acts as él (third person, singular personal pronoun); we are going to conjugate the verbs accordingly

Imperfecto del subjuntivo of “Poner” (to put):

Pusiera

Condicional of “comprender” (to understand):

Comprendería

Finally, the full sentence is:

¡Qué ridículo! Si pusiera atención, comprendería. / How ridiculous! If he paid attention, he would understand

Given that Laura acts as ella (third-person, singular personal pronoun); and amigos acts as ellos (third person, plural personal pronoun); we are going to conjugate the verbs accordingly:

Imperfecto del subjuntivo of “Llamar” (to call):

llamara

Condicional of “estar” (to be):

estarían

Next , we are going to replace “amigos” with the direct object pronoun los ( third person, plural)

Finally, the full sentence is:

¡Qué mal educada! Si los llamara, no estarían enojados./ How rude! If she called them, they wouldn’t be angry.

Given that Pablo acts as él (third person, singular personal pronoun); we are going to conjugate the verbs accordingly

Imperfecto del subjuntivo of “dormir” (to sleep):

Durmiera

Condicional of “estar” (to be):

Estaría

Finally, the full sentence is:

¡Qué lástima! Si durmiera, no estaría cansado./ What a pity! If he slept, he wouldn’t be tired.

Given that Luisa acts as ella (third person, singular personal pronoun); we are going to conjugate the verbs accordingly

Imperfecto del subjuntivo of “salir” (to go out):

saliera

Condicional of “divertirse” (to have fun”):

se divertiría

Finally, the full sentence is:

¡Qué aburrido! Si saliera, se divertiría./ How boring! If she went out, she would have fun.

Given that Juanito acts as él (third-person, singular personal pronoun); we are going to conjugate the verbs accordingly

Imperfecto del subjuntivo of “correr” (to run):

corriera

Condicional of “lastimarse” (to get hurt):

se lastimaría

Finally, the full sentence is:

¡Qué peligroso! Si corriera con cuidado, no se lastimaría./ How dangerous! If he ran carefully, he wouldn’t get hurt.

Given that Carolina acts as ella (third person, singular personal pronoun); we are going to conjugate the verbs accordingly

Imperfecto del subjuntivo of “Arreglar” (to make up):

arreglara

Condicional of “encontrar” (to find):

Comprendería

Next , we are going to replace “libros” with the direct object pronoun los ( third person, plural)

Finally, the full sentence is:

¡Qué desordenada! Si arreglara su cuarto, los encontraría./ How messy! If she made up her room, she would find them.

Given that Pacto acts as él (third person, singular personal pronoun); we are going to conjugate the verbs accordingly

Imperfecto del subjuntivo of “despertar” (to wake up):

despertara

Condicional of “poder” (can):

podría

Finally, the full sentence is:

¡Qué tonto! Si se despertara temprano, podría asistir a su clase./ What a fool! If he woke up early, he could attend his class.

Given that Laura acts as ella (third person, singular pronoun); we are going to conjugate the verbs accordingly:

Imperfecto del subjuntivo of “tener” (to have):

tuviera

Condicional of “tener” (to have):

tendría

Next, we are going to replace la gente with the direct object pronoun las ( third person, plural); and amigos with los (third person plural)

Finally, the full sentence is:

¡Qué tímidad! Si no lo tuviera, los tendría./ How shy! If she didn’t have it, she would have them.