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What is the difference, and when should I use which?

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closed as off-topic by Mari-Lou A, tchrist, Hellion, Josh61, choster Apr 24 '14 at 16:32

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up vote 5 down vote accepted

began = simple past form of the verb

begun = past participle form of the verb

  • I began to run.
  • I have begun to run.
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Those are particularly appropriate examples, as "run" and "ran" are used in the same way. – Steve Melnikoff Sep 2 '10 at 11:22

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