begin
verb (used without object)
to proceed to perform the first or earliest part of some action; commence; start.
have begun
-
present perfectof begin.present perfect
Used to describe actions that started in the past and continue into or have direct relevance to the present.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Leading AI companies have begun using their most advanced models to train new ones — a process known as recursive self-improvement that could eventually drive intelligence growth beyond human control.
From Los Angeles Times ● Sep. 11, 2026
Anatole Kaletsky, co-founder, chairman and chief economist of Gavekal Research, raised the possibility that “the yen’s recovery might finally have begun in earnest.”
From MarketWatch ● Sep. 8, 2026
The chain of events that ended on the A66 is believed to have begun eight miles away, in a quiet suburban street in Acklam.
From BBC ● Sep. 4, 2026
Production shipments of the Broadcom’s newest TPUs for Google have begun, Tan says.
From The Wall Street Journal ● Sep. 3, 2026
Jonah wondered if, on top of developing claustrophobia, he also might have begun to hyperventilate.
From "Found" by Margaret Peterson Haddix
