COLLOCATIONS
has begun, newly begun, just begun, already begun
WORD FORMSPresent: begin | Past: began | Past participle: begun | Gerund: beginningUSAGE NOTES
Begun is the past participle form of the verb 'begin'. It is used with auxiliary verbs like 'have', 'has', or 'had' to form perfect tenses, or as an adjective to describe something that has already started.