
seas
/SEH-ahs/
Quick Reference
📝 In Action
No seas tonto.
A2Don't be silly.
Quiero que seas feliz.
B1I want you to be happy.
Espero que seas puntual para la cita.
B1I hope that you are on time for the appointment.
Aunque seas mi amigo, no puedo ayudarte con esto.
B2Even though you are my friend, I can't help you with this.
💡 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
preterite
imperfect
subjunctive
present
imperfect
✏️ 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).