Possible Results:
runruneaba
-I was humming
Imperfect yo conjugation of runrunear.
Imperfect él/ella/usted conjugation of runrunear.

runrunear

Popularity
500+ learners.
El motor runruneaba produciéndome tanto sueño que apenas podía mantener los ojos abiertos.
The engine burred making me so sleepy I could hardly keep my eyes open.
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