Learn Spanish (Latin America): Hacía un mes que yo construía la balsa. - I had been building the raft for a month.

Hacía un mes que yo construía la balsa.

I had been building the raft for a month.

Breakdown of Hacía un mes que yo construía la balsa.

Questions & Answers about Hacía un mes que yo construía la balsa.

Why does the Spanish use the imperfect tense (construía) when the English translation uses the past perfect continuous ('had been building')?

In Spanish, when an action started in the past and was still continuing at a specific past moment, you use hacía + time expression + que + the imperfect tense. This is the past equivalent of the present-tense rule (hace + time + que + present). While English uses 'had been doing', Spanish simply shifts the ongoing present structure into the imperfect.

Can I use the past progressive here, like estaba construyendo, since the action was ongoing?

Yes, you can. Saying Hacía un mes que yo estaba construyendo la balsa is perfectly natural and emphasizes the continuous action. However, Spanish frequently uses the simple imperfect (construía) with this hacía structure to convey the exact same ongoing meaning without needing the progressive form.

Can I change the word order to put the time expression at the end of the sentence?

Absolutely. You can say Yo construía la balsa hacía un mes. Notice that when you move the hacía phrase to the end of the sentence, you must drop the word que.

Since subject pronouns are usually optional in Spanish, why is yo included here?