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5.3 Irregular Command Forms

5.3 Irregular Command Forms

Written by the Fiveable Content Team • Last updated August 2025
Written by the Fiveable Content Team • Last updated August 2025
🥘Spanish III
Unit & Topic Study Guides

Irregular command forms in Spanish can be tricky, but they're essential for giving instructions or advice. These forms don't follow the usual rules, so you'll need to memorize them. Don't worry, though – there are patterns that can help you learn.

Understanding irregular commands will make you sound more natural when speaking Spanish. You'll use them often in everyday situations, like telling a friend to "go" (ve) or asking someone to "be" (sé) something. Mastering these forms will boost your Spanish skills big time.

Irregular commands in Spanish

Memorizing irregular command forms

  • Memorize irregular affirmative tú commands for commonly used verbs in Spanish
    • hacer (haz), ir (ve), poner (pon), salir (sal), ser (sé), tener (ten), and venir (ven)
  • Memorize irregular negative tú commands for commonly used verbs in Spanish
    • dar (no des), estar (no estés), ir (no vayas), saber (no sepas), and ser (no seas)
  • Memorize irregular affirmative usted commands for commonly used verbs in Spanish
    • dar (dé), estar (esté), ir (vaya), saber (sepa), and ser (sea)
  • Memorize irregular negative usted commands for commonly used verbs in Spanish
    • dar (no dé), estar (no esté), ir (no vaya), saber (no sepa), and ser (no sea)
  • Memorize irregular affirmative ustedes commands for commonly used verbs in Spanish
    • dar (den), estar (estén), ir (vayan), saber (sepan), and ser (sean)
  • Memorize irregular negative ustedes commands for commonly used verbs in Spanish
    • dar (no den), estar (no estén), ir (no vayan), saber (no sepan), and ser (no sean)

Strategies for learning irregular command forms

  • Create flashcards with the infinitive form on one side and the irregular command forms on the other side to practice memorization
  • Use mnemonic devices or associations to help remember irregular command forms that do not follow a clear pattern
    • Example: Associate "haz" (make) with the sound of a buzzing bee to remember the irregular tú command form of hacer
  • Practice using irregular command forms in context by creating example sentences or dialogues
  • Quiz yourself or have a study partner quiz you on irregular command forms to reinforce your knowledge

Regular vs Irregular commands

Formation of regular command forms

  • Regular affirmative tú commands are formed by dropping the -s from the present indicative tú form of -ar, -er, and -ir verbs
    • Example: hablar (to speak) → habla (speak)
  • Regular negative tú commands are formed by using the present subjunctive tú form of the verb
    • Example: hablar (to speak) → no hables (don't speak)
  • Regular affirmative and negative usted commands are formed using the present subjunctive él/ella form of the verb
    • Example: hablar (to speak) → hable (speak) / no hable (don't speak)
  • Regular affirmative and negative ustedes commands are formed using the present subjunctive ellos/ellas form of the verb
    • Example: hablar (to speak) → hablen (speak) / no hablen (don't speak)

Distinguishing between regular and irregular command forms

  • Irregular command forms do not follow the regular patterns and must be memorized individually for each verb and form (affirmative or negative, tú, usted, or ustedes)
  • Identify common irregular verbs that have unique command forms, such as hacer, ir, ser, estar, and tener
  • Compare the irregular command forms to the regular command formation patterns to recognize the differences
    • Example: ir (to go) → ve (go, tú) vs. vas (you go, present indicative tú)
  • Pay attention to the specific conjugations for each irregular verb in the affirmative and negative forms for tú, usted, and ustedes

Command forms in context

Using irregular tú commands

  • Use irregular affirmative tú commands to give direct, informal instructions or advice to a friend or family member
    • Example: "Haz la tarea ahora" (Do your homework now)
  • Use irregular negative tú commands to tell a friend or family member not to do something
    • Example: "No vayas a la fiesta" (Don't go to the party)

Using irregular usted commands

  • Use irregular affirmative usted commands to give formal instructions or directions to someone you don't know well or to show respect
    • Example: "Vaya a la derecha" (Go to the right)
  • Use irregular negative usted commands to formally tell someone not to do something
    • Example: "No dé la vuelta aquí" (Don't turn here)

Using irregular ustedes commands

  • Use irregular affirmative and negative ustedes commands to address a group of people, whether known or unknown, in formal or informal settings
    • Example: "No sean tímidos, pregunten si tienen dudas" (Don't be shy, ask if you have questions)
  • Employ irregular ustedes commands when giving instructions or directions to a group
    • Example: "Vengan conmigo, por favor" (Come with me, please)

Patterns in irregular commands

Similarities among irregular command forms

  • Many irregular command forms are the same for tú, usted, and ustedes
    • Example: hacer → haz (tú), haga (usted), hagan (ustedes)
    • Example: poner → pon (tú), ponga (usted), pongan (ustedes)
  • Some irregular command forms are the same for both affirmative and negative commands
    • Example: saber → sepa (affirmative usted), no sepa (negative usted)
    • Example: saber → sepan (affirmative ustedes), no sepan (negative ustedes)

Recognizing patterns across different verbs

  • Irregular command forms often have similar patterns across different verbs
    • Example: tener → ten (tú), tenga (usted), tengan (ustedes)
    • Example: venir → ven (tú), venga (usted), vengan (ustedes)
  • Identify common endings or changes in the stem of irregular verbs to help remember their command forms
    • Example: -go ending for yo form of hacer, poner, salir, tener, and venir in the present indicative often corresponds to irregular tú command forms (hago → haz, pongo → pon, salgo → sal, tengo → ten, vengo → ven)

Applying patterns to facilitate learning

  • Recognizing patterns and similarities can help learners remember and apply irregular command forms more effectively
  • Group irregular verbs with similar command form patterns together when studying to reinforce the connections
  • Practice applying the patterns to new irregular verbs to test your understanding and ability to generalize the concepts
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