Imperfect subjunctive III
Introduction
So you know that the subjunctive is not a tense, but a mood, which means that it can have multiple tenses, much like the indicative has the present, preterite, imperfect, future, etc. Thus far, you have learned the present subjunctive. But what happens when you have a sentence in the past tense that requires the subjunctive? You use the imperfect subjunctive, of course.
Formation
There are two forms of the imperfect subjunctive: the -ra form and the -se form. It’s not actually necessary that you memorize both forms (although they are very similar, so if you know one you pretty much know the other), but you should be aware that both exist. If you only want to focus on one, pick the -ra form, as it is much more common in modern Spanish.
The formation of the imperfect subjunctive is a little strange. You start with the preterite ellos/ellas/ustedes form (the -aron/-ieron form) and then drop the -ron ending. From there, you add the imperfect subjunctive conjugations, which are the same for all infinitives. Both forms are provided below:
Note that for both the -ra and -se versions, the nosotros/nosotras form requires an accent on the vowel preceding the conjugation ending. Take a look at the sample verbs conjugated below if that sounds confusing:
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bailar:
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-ra form: bailara, bailaras, bailara, bailáramos, bailarais, bailaran
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-se form: bailase, bailases, bailase, bailásemos, bailaseis, bailasen
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comer:
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-ra form: comiera, comieras, comiera, comiéramos, comierais, comieran
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-se form: comiese, comieses, comiese, comiésemos, comieseis, comiesen
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escribir:
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-ra form: escribiera, escribieras, escribiera, escribiéramos, escribierais, escribieran
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-se form: escribiese, escribieses, escribiese, escribiésemos, escribieseis, escribiesen
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The imperfect subjunctive might seem complicated to conjugate at first, especially with two separate versions, but there are a few great things about it. First, as mentioned above, the endings are the same regardless of whether the verb being conjugated is an -AR, -ER, or -IR infinitive. Second, there are no irregulars as long as you make sure you are starting with the ellos/ellas/Uds. form (this means that you need to know verbs that are irregular in the preterite, but once you do, you don’t need to know anything else to accurately conjugate every verb in the imperfect subjunctive).
Usage
The cases in which you use the imperfect subjunctive are just like the cases when you use the present subjunctive, except in the past. This means that the independent clause, the part in the indicative mood, will be in the either the imperfect or the preterite (or some compound tense in the past, such as the pluperfect or imperfect progressive).
Examples:
Era preciso que los soldados recibieran/recibiesen algo de comer. (It was necessary that the soldiers received something to eat.)
Me alegré de que Marta ganara/ganase la beca. (I was happy that Marta won the scholarship.)
El abogado dudó que su cliente le dijera/dijese la verdad. (The lawyer doubted that his client was telling him the truth.)
The imperfect subjunctive has 2 forms: -ra and -se. Conjugation is as follows:
preterite ellos form - -ron ending + conjugation ending:
yo: -ra, -se
tú: -ras, -ses
él/ella/Ud.: -ra, -se
nosotros/-as: ´ramos, ´semos
vosotros/-as: -rais, -seis
ellos/ellas/Uds.: -ran, -sen
The imperfect subjunctive is used whenever you would use the present subjunctive, except that the independent clause (the part in the indicative) must be in the past.
Quick reference:
Additional Resources:
In your textbook (Realidades III):
1. CapÃtulo 8-2
Next topics:
By now, you are hopefully familiar with a lot of perfect tenses: the present perfect, the pluperfect, the present perfect subjunctive, and maybe even the future and conditional perfects. There is another perfect tense: the pluperfect subjunctive. In structure, it is most like the pluperfect indicative (imperfect of haber + participle), but in usage it is more like the imperfect subjunctive. It is formed as follows:
imperfect subjunctive of haber (hubiera, hubieras, hubiera, hubiéramos, hubierais, hubieran; hubiese, hubieses, hubiese, hubiésemos, hubieseis, hubiesen)
+
past participle (-ado/-ido form)
It is used where you would use the imperfect subjunctive, except to say "had _________." Below are some examples:
Era una lástima que él hubiera perdido los zapatos. (It was a shame that he had lost his shoes.)
Ella estaba triste de que su perro hubiera muerto. (She was sad that her dog had died.)
Super advanced: the pluperfect subjunctive and conditional perfect in si clauses
Note that this section requires prior knowledge of the conditional, si clauses, the conditional perfect, and all of the above information.
The typical pairing of the conditional and imperfect subjunctive in si clauses (Si fuera presidente, crearÃa mas trabajos) continues with the pluperfect subjunctive and conditional perfect. This combination is used to express sentiments such as, "She would have read the book if she had not been sick." Notice that in both clauses, we are working with a perfect tense, and that the first is conditional ("would have read") which the second is pluperfect ("had (not) been"). In Spanish, this would be written as, Ella habrÃa leÃdo el libro si no hubiera estado enferma.
Examples:
1. Si los chicos hubieran estudiado para el examen, no habrÃan recibido mala notas. (If the boys had studied for the exam, they would not have received bad grades.)
2. Los padres habrÃan escuchado las solicitudes de los hijos si los chicos hubieran dicho "por favor." (The parents would have listened to their sons' requests if the boys had said "please.")
Notice that, like always, the order of the clauses can be reversed as you please, as long as the tenses in each remain intact.