This is the 108th most frequent Catalan word.
començar
To begin; to start.
In this sentence, 'començar' is used in the past tense to indicate the starting of an event in the past.
Vaig començar a llegir el llibre ahir.
I started reading the book yesterday.
Here, 'començar' is used in the future tense to express the initiation of an action that will happen in the future.
Els treballadors començaran la seva jornada a les vuit.
The workers will start their shift at eight.
In this case, 'començar' is employed in an interrogative form to inquire about the timing of the initiation of an action.