Hello everyone,

I really couldn't find a reason myself for the difference between all the people and all of the people. I will be happy if you can help me.

Thanks in advance.Emotion: smile
There is no real difference, Doll. The of is optional: all (of) the people. Perhaps the of is more formal.
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Hmm... Intriguing. I'm not sure but I'd say there's no difference. You can omit the 'of' if you wish without changing the meaning. Not sure, though.
All the berries were frozen.
All of the berries were frozen.
Thank you Mr.Micawber and Zerox. Emotion: smile