which construction expresses an action that has just take place?

- Hace + tiempo + que
- acabar de + infinitivo
- ir + a + infinitivo

And your answer is?

I think acabar de+ infinitivo

I'll send this to SraJMcGin, our Spanish expert.

Yes, it IS acabar + de

Sra

Thank you so much!

The construction that expresses an action that has just taken place is "acabar de + infinitive."

To use this construction, follow these steps:
1. Identify the subject of the sentence.
2. Use "acabar de" conjugated in the present tense according to the subject.
3. Add the infinitive form of the verb that represents the action that has just happened.

For example:
- Yo acabo de llegar a casa. (I have just arrived home.)
- Ella acaba de terminar de comer. (She has just finished eating.)
- Nosotros acabamos de comprar un nuevo televisor. (We have just bought a new television.)

Using this construction, you can clearly indicate that the action happened in the immediate past.