The Subjunctive Mood of Ser is used to express wishes, desires, doubts, or uncertainties about the subject being or existing in a certain state. For example, Es importante que seas puntual. (It is important that you be on time.)

Ser is an irregular verb in the Subjunctive Mood, meaning its conjugations do not follow a set pattern and must be memorized individually.

Conjugations

Conjugations of Ser (to be) in the Subjunctive Mood tense (Latin American Spanish):

The present subjunctive of ser is used to express wishes, desires, demands, doubts, or uncertainty about something in the present tense.

To express wishes or desires: For example, Ojalá que seas feliz. (I hope you are happy.)

To express demands or requirements: For example, Es necesario que seas puntual. (It’s necessary that you be on time.)

To express doubts or uncertainty: For example, Dudo que seas capaz de hacerlo. (I doubt that you are capable of doing it.)

In impersonal expressions: For example, Es importante que seas honesto. (It’s important that you be honest.)

After conjunctions expressing purpose: For example, Estudia para que seas un profesional exitoso. (Study so that you can be a successful professional.)

Colloquial/Slang usage: For example, ¡Ojalá que seas bien pendejo! (I hope you’re really stupid! – rude/insulting)

Examples

Examples of Ser in the Subjunctive Mood

Espero que sea una buena película. (I hope it’s a good movie.)

No importa quién sea, todos merecen respeto. (No matter who it is, everyone deserves respect.)

Ojalá que seamos capaces de resolver este problema. (I hope we are able to resolve this issue.)

Aunque no sea perfecto, es un buen intento. (Even if it’s not perfect, it’s a good attempt.)

Es importante que sean honestos en sus relaciones. (It’s important that they are honest in their relationships.)

Quiero que mi próximo trabajo sea más desafiante. (I want my next job to be more challenging.)

Independientemente de quiénes sean, merecen una oportunidad. (Regardless of who they are, they deserve a chance.)

Espero que este año sea mejor que el anterior. (I hope this year is better than last year.)

Es crucial que seamos más conscientes del medio ambiente. (It’s crucial that we are more environmentally aware.)

Aunque seas tímido, no tengas miedo de expresarte. (Even if you’re shy, don’t be afraid to express yourself.)

Ojalá que tus sueños sean realidad algún día. (I hope your dreams come true someday.)

No importa lo que sea, siempre estaré a tu lado. (No matter what it is, I’ll always be by your side.)

Es importante que seamos pacientes con los demás. (It’s important that we are patient with others.)

Aunque sea difícil, nunca te rindas. (Even if it’s difficult, never give up.)

Espero que seas feliz, sin importar lo que hagas. (I hope you’re happy, no matter what you do.)

Conjugations with English Translations

Conjugations of Ser (to be) in the Subjunctive Mood tense (Latin American Spanish) with English Translations:

This post covers Latin American Spanish. For Castilian Spanish, click here

Synonyms

The Subjunctive mood is also known as the Simple Subjunctive, Subjunctive Present, or Present Subjunctive Mood in English, and as Presente de Subjuntivo, Subjuntivo Presente, Presente del Modo Subjuntivo, or Tiempo Presente del Subjuntivo in Spanish.