Quiero pedir días libres.

In Spanish, the subject pronoun is often omitted because the verb ending already shows who is doing the action.

• quiero = I want
• The -o ending tells you it is I

So Quiero pedir días libres is completely natural.
You could say Yo quiero pedir días libres if you want extra emphasis, for example:

• Yo quiero pedir días libres, no cambiar de puesto.
  = I want to ask for time off, not change jobs.

Most of the time, just quiero is enough.

Because after a conjugated verb like quiero, Spanish often uses an infinitive to express the second action.

Structure:

• quiero
  • infinitive
• I want
  • to do something

So:

• Quiero pedir = I want to ask for / request

This is the same pattern as:

• Quiero comer = I want to eat
• Quiero salir = I want to go out
• Quiero descansar = I want to rest

You only conjugate the first verb here.

Here, pedir means to ask for or to request.

So pedir días libres means to ask for time off / request days off.

A useful distinction:

• pedir = to ask for something
• preguntar = to ask a question

For example:

• Voy a pedir ayuda. = I’m going to ask for help.
• Voy a preguntar la hora. = I’m going to ask the time.

In a work context, pedir días libres sounds natural for requesting time off.

Because in Spanish, adjectives usually come after the noun.

• días = days
• libres = free

So:

• días libres = free days / days off

This noun + adjective order is the normal pattern in Spanish:

• coche rojo = red car
• casa grande = big house
• día libre = day off

Putting libres before días would sound unusual here and would not be the standard way to say it.

Yes, días libres is natural and understandable in Spain.

Depending on the context, though, people might also say:

• pedir días libres = request days off
• pedir vacaciones = request vacation/holiday time
• tomarse unos días = take a few days off
• tener el día libre = have the day off

There are small differences:

• días libres is broad and can mean days when you do not work
• vacaciones is more specifically holiday/vacation leave

So if you mean general time off from work, Quiero pedir días libres works well.

In Spanish, plural nouns often appear without an article when speaking in a general sense.

So:

• Quiero pedir días libres = I want to request days off

This sounds general and natural.

If you add unos, it becomes a bit more specific:

• Quiero pedir unos días libres = I want to ask for a few days off

That often sounds even more natural in everyday conversation if you mean a small number of days.

If you use los, it usually refers to specific days already known in context:

• Quiero pedir los días libres que me quedan.
  = I want to request the days off I still have left.

Yes, absolutely. In fact, Quiero pedir unos días libres is very common.

The difference is:

• Quiero pedir días libres = general idea of asking for days off
• Quiero pedir unos días libres = I want to ask for a few days off

So if you are speaking about a limited number of days, unos often sounds more natural.

Compare:

• Quiero pedir días libres este mes. = I want to request days off this month.
• Quiero pedir unos días libres en octubre. = I want to ask for a few days off in October.

Días has an accent because Spanish pronunciation treats the i and a as two separate syllables:

• dí-as

Without the accent, it might be read differently. The accent helps show the correct stress and pronunciation.

Singular and plural:

• día
• días

This is a very common word, so it is worth memorising with the accent.

It can be grammatically correct, but on its own it may sound a bit direct depending on the situation.

For a more polite or professional tone, you could say:

• Quería pedir unos días libres.
  = I wanted to ask for a few days off.

• Me gustaría pedir unos días libres.
  = I’d like to request a few days off.

• Quisiera pedir unos días libres.
  = I would like to request a few days off.

These are softer and often better in workplace situations.

Yes. Días libres literally means free days, so it can refer to days when you are not working or days you have available.

In many situations, the context makes it clear that it means days off from work.

For example:

• Esta semana tengo dos días libres.
  = This week I have two days off.

• Quiero pedir días libres para viajar.
  = I want to request days off to travel.

If you want to be more specific about official leave from work, sometimes vacaciones or permiso may be used depending on the exact situation.

Yes. A few common alternatives are:

• Quiero pedir unos días libres.
  Very natural; probably the most everyday version if you mean a few days off.

• Quiero pedir vacaciones.
  Natural if you mean holiday/vacation leave specifically.

• Me gustaría pedir unos días libres.
  More polite.

• Quiero tomarme unos días libres.
  More like I want to take a few days off.

In Spain, you may also hear coger unos días libres, but pedir focuses on the act of requesting them, while tomarse or coger focuses more on taking them.