A command (imperative) tells someone to do — or not do — something. English forms it by using the base verb, with no subject stated.
Structure: [base verb] (+ object)
Sentence
Type
Close the door.
affirmative command
Don’t close the door.
negative command
English command examples
Sentence
Type
Sit down.
affirmative
Don’t sit there.
negative
Open the window.
affirmative
Don’t open that box.
negative
Call me later.
affirmative
Don’t call after 9pm.
negative
Wait here.
affirmative
Don’t wait for me.
negative
Listen carefully.
affirmative
Don’t worry.
negative
Why it works this way
English doesn’t conjugate the imperative — it’s always the bare base form, regardless of who’s being addressed
Negative commands just add don’t in front
The subject (“you”) is implied, never stated
How Spanish handles commands differently
Spanish does conjugate commands — the form changes depending on who you’re addressing (tú, usted, vosotros, ustedes) and whether the command is affirmative or negative
Affirmative and negative commands often use different forms entirely for the same person — not just “add a negator”
Object and reflexive pronouns attach to the end of affirmative commands, but go before negative commands
Key differences
English
Spanish
One form for everyone
Different form per person (tú/usted/vosotros/ustedes)
Negative = “don’t” + base verb
Negative often uses a different conjugation than affirmative
Pronouns always before verb
Pronouns attach after affirmative commands, go before negative ones
Informal singular (tú) commands
Affirmative: usually the same as the él/ella present-tense form. Negative: use the present subjunctive tú form (in practice: opposite-vowel ending — -ar verbs take -es, -er/-ir verbs take -as).
Infinitive
Affirmative (tú)
Negative (tú)
hablar
habla
no hables
comer
come
no comas
escribir
escribe
no escribas
cerrar
cierra
no cierres
abrir
abre
no abras
Spanish
English
Habla más despacio.
Speak more slowly.
No hables tan rápido.
Don’t speak so fast.
Come las verduras.
Eat the vegetables.
No comas eso.
Don’t eat that.
Escribe tu nombre aquí.
Write your name here.
No escribas en el libro.
Don’t write in the book.
Cierra la puerta.
Close the door.
No cierres la ventana.
Don’t close the window.
Abre los ojos.
Open your eyes.
No abras esa caja.
Don’t open that box.
Formal singular (usted) commands
Same form is used for both affirmative and negative — only the presence of no changes.