The imperative form of a verb is used to give someone an order or command, i.e.: to directly tell them what you want them to do. For example:
Since the function of the imperative is to give an order to the person(s) you are speaking to, the imperative always uses a second person form (tú, usted, vosotros or ustedes). That said, the imperative is not actually used with a subject pronoun except for emphasis/clarification (imagine the speaker could be pointing at who they are speaking to) AFTER the verb (as seen here where the pronoun is given in parenthesis so you can clearly see who is being addressed). It is common to omit first and second person pronouns in Spanish because they are given/understood participants in the discourse and are marked on the verb's ending, making the pronouns redundant.
To form the imperative, there is always a change involved when compared to the present (indicative) tense. In almost all cases, the changes involves the vowel at the end ("a" changes to "e" or "e" changes to "a". The only change that is a little different is the tú form in positive commands. Here, the change simply involves dropping the "s" when compared to the present indicative. Let's look at each of the pronouns involved.
The usted(es) forms of the imperative are based on the present subjunctive. That means the same spelling changes (-gar > -gue, -car > -que, -zar > -ce) and irregular forms (dar, estar, ir, saber, ser) apply (review the present subjunctive if you don't remember these), e.g.:
To form negative commands, simply add no in front of the verb, e.g.:
The negative form of the tú commands also uses the subjunctive, e.g.:
The exception to the use of subjunctive to form the imperative is the affirmative tú form, which rather follows the 3rd person singular present él/ella/usted form, e.g.:
There are also a number of irregular affirmative tú forms, primarily highly frequent verbs, e.g.: hacer, venir, ser, salir, decir, ir, tener, poner. These are shown in the following table:
Remember, all the negative tú forms use the subjunctive, e.g.: No pongas tus tenis en el sofá. ("Don't put your runners on the couch.")
Vosotros commands are not common, being used mainly in Spain. A good tip is that you will always be understood no matter where you are if you use the ustedes command instead of the vosotros/vosotras commands.
Affirmative vosotros commands are formed by removing the infinitive -r and adding -d, e.g.:
Negative vosotros/vosotras commands are formed using present subjunctive form, e.g.:
The imperative can also be used to make a suggestion with the nosotros form, following the subjunctive (ir being irregular), e.g.:
This latter usage corresponds to the English "Let's ..." or "Why don't we ..."
To summarize: ALL commands use the present subjunctive form EXCEPT affirmative tú commands, which use the 3rd person present indicative endings, and affirmative vosotros commands that use -d. The following tables captures the information you need to know:
When used in an affirmative imperative, all object pronouns are attached to the end of the verb, requiring accents where the naturally stressed syllable of the verb is displaced. For example,
The order of pronouns, indirect object pronoun BEFORE direct object pronouns, is the same in imperative sentences as it is in declarative sentences.
Reflexive pronouns are also attached to the end of affirmative imperatives, e.g.:
The reflexive form of the affirmative vosotros commands drops the -d with the os reflexive pronoun, the only exception being the verb ir, e.g.:
When used in a negative imperative, any direct or indirect object pronouns or reflexive pronouns go BEFORE the verb as independent words. For example,
Q: Why is it Firma la carta and NOT Firmas la carta ?
It is true that the indicative tú form of verbs ends in -s. The one exception though is the affirmative imperative structure. Here, the tú form takes the 3rd person singular present indicative ending. The negative tú form follows the 2nd person subjunctive form, e.g.: No firmes la carta.
Q: Why is it ¡Dámelo! and NOT ¡Dálome!?
Remember the order of pronouns is ALWAYS indirect object first ("to/for whom"), then the direct one ("what").
Q: Why is it ten tu comida and NOT tiene tu comida?
The verb tener has an irregular affirmative tú command and does not follow the 3rd person singular present form used for regular tú commands.
Q: Why is it dígamelo and not me lo diga?
Remember that the pronouns are attached to the end of affirmative commands, requiring an accent. The pronouns only occur before the verb for negative commands, e.g.: No me lo diga.
Write the correct form of “mandatos” (commands):
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