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English definition of “begin”

begin

verb [I or T] (START TO DO)    /bɪˈɡɪn/ (present participle beginning, past tense began, past participle begun)
A2 to start to do something: I began the book six months ago, but I can't seem to finish it. [+ -ing verb] Jane has just begun learning to drive. If you want to learn to play a musical instrument, it might be a good idea to begin on something simple. [+ to infinitive] After waiting for half an hour she was beginning to get angry. I have so much to tell you, I don't know where to begin.
(Definition of begin verb (START TO DO) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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