Spanish Phrase
Acabo de terminar un gran proyecto.
Meaning
I have just finished a big project. The phrase emphasizes that the completion happened moments ago, often accompanied by a sense of relief or pride.
When to use
Use this sentence right after you wrap up a major work task, school assignment, or any sizable undertaking you want to share with colleagues, friends, or family.
✦Grammar Breakdown
Acabodeterminarungranproyecto.
Acabar de + infinitivo
The construction 'acabar de' + infinitive expresses an action that has just been completed, similar to 'just' in English.
Infinitive after 'acabar de'
Never conjugate the verb after 'acabar de'; it must stay in its infinitive form.
Gran vs Grande
When 'gran' precedes a singular noun it drops the final 'de' of 'grande' and becomes an invariable adjective.
Indefinite article 'un'
Use 'un' before masculine singular nouns; it agrees in gender and number with 'proyecto'.
🗨In Conversation
Acabo de terminar un gran proyecto.
I just finished a big project.
¡Qué bien! ¿Cómo te sientes?
Great! How do you feel?
✕Common Mistakes
Acabo de terminé un gran proyecto.
After 'acabo de' the verb must stay in infinitive, not past tense.
Acabo de terminar un grande proyecto.
When the adjective comes before a singular noun, use the shortened form 'gran'.
Acabo de terminar un gran proyectos.
The adjective 'gran' is invariable, but the noun must agree in number; use the singular 'proyecto' or change to 'grandes proyectos'.
↔Alternatives
He terminado un gran proyecto.
I have finished a big project.
Acabo de concluir un gran proyecto.
I just concluded a big project.
Ya finalicé un gran proyecto.
I already finished a big project.
Cultural Tip
In many Spanish‑speaking workplaces modesty is valued, so you might pair the statement with a humble comment (e.g., '¡Por fin!') or thank the team. Also, note that 'gran' is used before the noun without the article; you cannot say '*un gran*' with a plural noun – you would use 'grandes' instead.

