Begun is the past participle and began is the simple past. Begun cannot be used without an auxiliary verb like has, have etc. When the emperor said, "Let the games begin!" the games began. The next day the newspapers reported that the games have begun.
By Mark Hosenball WASHINGTON, June 12 (Reuters) - U.S. government investigators began an urgent search for Edward Snowden several days before the first media reports were published on the government's secret surveillance programs, people familiar with the matter said on Wednesday.
MINNEAPOLIS - In what began as a familiar script, the Minnesota Twins dug themselves an early hole by giving up two runs in the first inning, but they chipped away at the visiting Philadelphia Phillies and beat them 4-3 at Target Field on Wednesday.
on June 13, 2013 Source: The SportsXchange via Yahoo! Sports
Watermasters have begun to notify ranchers in the upper Klamath Basin that they have to shut off their irrigation. That's to satisfy the needs of the Klamath Tribes and a federal irrigation project for more water.
on June 13, 2013 Source: Oregon Public Broadcasting
Initial debate has begun in the Senate this week on the long-awaited so-called Gang of 8 Senate immigration reform bill. New York Senator Charles Schumer is aiming for passage by July 4 and we can expect heated exchanges about some familiar themes: border security, a ?path to citizenship? for illegal immigrants, and the extent of a guest worker program for agriculture. But the goals of a more ...