Inklingo
A simple storybook illustration showing one person gently gesturing toward a second person who is smiling brightly and holding a single flower, symbolizing a wish for happiness ('you be happy').

seas

/SEH-ahs/

VerbA2irregular er
you be?used for wishes, commands, doubts
Also:be?as in 'don't be'

Quick Reference

infinitiveser
gerundsiendo
past Participlesido

📝 In Action

No seas tonto.

A2

Don't be silly.

Quiero que seas feliz.

B1

I want you to be happy.

Espero que seas puntual para la cita.

B1

I hope that you are on time for the appointment.

Aunque seas mi amigo, no puedo ayudarte con esto.

B2

Even though you are my friend, I can't help you with this.

Word Connections

Common Collocations

  • No seas asíDon't be like that
  • No seas malo/aDon't be mean

Idioms & Expressions

  • Seas como seasHowever you may be / No matter what you're like

💡 Grammar Points

The 'Wishing' and 'Commanding' Verb Form

'Seas' is a special form of 'ser' (to be) used when you're talking about things that aren't certain facts, like wishes, doubts, or commands. You'll often see it after phrases like 'quiero que...' (I want that...) or 'espero que...' (I hope that...).

Giving 'Don't' Commands

To tell a friend not to be a certain way, you use 'no' + 'seas'. For example, 'No seas impaciente' means 'Don't be impatient'.

❌ Common Pitfalls

Using 'eres' instead of 'seas'

Mistake: "Quiero que eres feliz."

Correction: Quiero que seas feliz. After a 'wishing' phrase like 'quiero que', Spanish switches to this special 'seas' form instead of the regular 'eres' to show it's a desire, not a fact.

Confusing Positive and Negative Commands

Mistake: "No sé malo."

Correction: No seas malo. The positive command is 'sé' (Be), but the negative command always uses the subjunctive form, 'seas'.

⭐ Usage Tips

Pairing with 'sé'

Remember that the positive command is 'sé' (Be), but the negative command is 'no seas' (Don't be). For example: 'Sé bueno, no seas malo.' (Be good, don't be bad).

🔄 Conjugations

indicative

present

yosoy
eres
él/ella/ustedes
nosotrossomos
vosotrossois
ellos/ellas/ustedesson

preterite

yofui
fuiste
él/ella/ustedfue
nosotrosfuimos
vosotrosfuisteis
ellos/ellas/ustedesfueron

imperfect

yoera
eras
él/ella/ustedera
nosotroséramos
vosotroserais
ellos/ellas/ustedeseran

subjunctive

present

yosea
seas
él/ella/ustedsea
nosotrosseamos
vosotrosseáis
ellos/ellas/ustedessean

imperfect

yofuera
fueras
él/ella/ustedfuera
nosotrosfuéramos
vosotrosfuerais
ellos/ellas/ustedesfueran

✏️ Quick Practice

💡 Quick Quiz: seas

Question 1 of 1

Which sentence correctly tells a friend not to be pessimistic?

📚 More Resources

Frequently Asked Questions

Why do I say 'no seas' but the positive command is 'sé'?

It's one of the quirks of Spanish! For many verbs, the positive command for 'tú' (a friend) is a unique, short form (like 'sé', 'pon', 'di'). However, the negative command for 'tú' always uses the present subjunctive form ('no seas', 'no pongas', 'no digas'). It's a pattern you'll get used to with practice.

When do I use 'seas' vs. 'eres'?

Use 'eres' to state a fact about a friend ('Tú eres mi amigo' - You are my friend). Use 'seas' when you're expressing a wish, doubt, opinion, or a negative command about them ('Espero que seas feliz' - I hope you are happy; 'No seas grosero' - Don't be rude).