How do you know if you plagiarized someone's work? Or how do you know if you have committed plagiarism? The easiest way to find out if you plagiarized a work is to put the original words side by side...
Anyone "could" plagiarize, but no one "should" plagiarize. To plagiarize means taking the words or ideas of someone else and trying to claim they are yours. If I use the words of ideas of someone...
You can get suspended or expelled from school and get failing grades. If you are not in school and plagiarize someones elses work for your own profit, you can be sued.