Translate: I have spoken with Marta.
He hablado con Marta.
Translate: The teacher doubts that I read the book.
El maestro duda que yo haya leído el libro.
Translate: It's obvious that you guys have studied.
Es obvio que ustedes han estudiado.
Translate: That car (far away) is beautiful.
Aquel coche/carro es muy bonito.
Translate: I have felt (sentirse) nervous in my interviews.
(Yo) me he sentido nervioso en mis entrevistas.
Translate: My brother had showered before going to school.
Mi hermano se había duchado/bañado antes de ir a la escuela.
Translate: We regret (lamentar) that she had not come to the party
Lamentamos que ella no haya venido a la fiesta.
Translate: I am glad that (alegrarse de que) you have finished (terminar) school.
Me alegro que tú hayas terminado la escuela.
Translate: All of that benefits the recreational center.
Todo eso/aquello beneficia al centro recreativo.
Translate: You haven't written your name.
(Tú) no has escrito tu nombre.
Translate: The students entered because the teacher had opened the door.
Los estudiantes entraron porque el maestro había abierto la puerta.
Translate: It is possible that you all have received (sacar) good grades.
Es posible que ustedes hayan sacado buenas notas.
Translate: I'm afraid (temer) that Martin hasn't come back (volver) from Landhope.
Temo que Martín no haya vuelto de Landhope.
Translate: What is this?
¿Qué es esto?
Translate: Where have you put my books?
¿Dónde has puesto (tú) mis libros?
Translate: We were very surprised (sorprendido = surprised) because the receptionist had assisted them very quickly.
Estábamos muy sorprendidos porque el recepcionista los había atendido muy rápido.
Translate: I don't think that they have opened the store.
No creo que hayan abierto la tienda.
Translate: I'm sure that she has written her essay.
Estoy seguro que ha escrito su ensayo.
Translate: What is that way over there?
¿Qué es aquello?
Translate: No one has resolved the mystery?
Nadie ha resuelto el misterio.
Translate: I was sad because my fish had died.
Yo estaba triste porque mi pez había muerto.
Translate: I doubt that Margarita has done her homework.
Dudo que Margarita haya hecho la tarea.
Translate: I think that they have done something wrong.
Creo que han hecho algo malo.
Translate: You don't have to read those (referring to the word 'páginas')
No tienes que leer esas.