verb
BAD : The main film was proceeded by a short cartoon.
GOOD : The main film was preceded by a short cartoon.
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proceed = (begin and) continue: 'After a five-minute delay, the lecture proceeded.' 'According to latest reports, negotiations are proceeding smoothly.'
precede = come, go, or happen (immediately) before someone or something: 'Churchill was a much stronger leader than the man who preceded him.' 'The snowfall was preceded by a sudden drop in temperature.'