verb
1
BAD : The waiter was made to apologize my father.
GOOD : The waiter was made to apologize to my father.
BAD : He apologized her for the long delay.
GOOD : He apologized to her for the long delay.
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apologize to sb : 'The US has apologized to Britain for the accident that cost nine lives.'
2
BAD : She insisted on apologizing her husband's behaviour.
GOOD : She insisted on apologizing for her husband's behaviour.
BAD : I apologize that I can't come to the wedding.
GOOD : I apologize for not being able to come to the wedding.
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apologize ( to sb ) for ( doing ) sth : 'I'd like to apologize for causing you so much trouble.'