When would you use the present perfect?
You would use the present perfect when you want to say something that you "have done."
When would you use the future perfect tense?
You would use the future perfect tense when expressing what you "will have" done.
What is the difference between the present subjunctive and the imperfect subjunctive?
When would you use the conditional tense in an "if clause?"
You would use the conditional in an "if clause" if the first half of the sentence used a verb conjugated in the imperfect subjunctive tense.
Ejemplo: If I had a dollar, I would buy a candy bar.
Si yo tuviera un dólar, compraría una barra de chocolate.
Translate: The kiosk, information booth
El kiosco
Translate: You all have learned
Vosotros habéis aprendido
Translate: He will have eaten
Él habrá comido
Conjugate: Nosotros - hablar
habláramos
When would you use the future tense in an "if clause?"
You would use the future tense in an "if clause" if the first half of the sentence used a verb conjugated in the present tense.
Ejemplo: If I am nicer, I will make more friends.
Si soy más amable, haré más amigos.
Translate: The nightstand, end table
La mesita
Translate: You have seen
Tú has visto
Translate: I will have lived
Yo habré vivido
Conjugate: Ustedes - Estar
Estuvieran
Translate: If I sell things in my house, I will have more money.
Si yo vendo cosas en mi casa, tenrdé más dinero.
Translate: To take advantage
Aprovechar
Translate: Carlos has been to New York many times.
Carlos ha estado en Nueva York muchas veces.
Translate: They will have gone to the store before her.
Ellos habrán ido a la tienda antes que ella.
Translate: It was odd that she read the book.
Era extraño que ella leyera el libro.
Translate: If I talked to Susane, I would get a headache.
Si hablara con Susane, me daría dolar de cabeza.
Translate: To get dirty
Ensuciar
Translate: We have come to his house for parties in the past.
Nosotros hemos venido a fiestas en su casa en el pasado.
Translate: You (formal) will have met my dog in the street.
Usted habrá conocido a mi perro en la calle.
Translate: I wish it would rain coffee.
Ojalá que lloviera café.
Translate: If I saw what happened, I would tell someone.
Si viera lo que pasaba, le diría a alguien.
Translate: To go out to eat
Ir de tapas