People is the plural of person.

There are two people on the grass. One person is sleeping, the other is cutting the grass.
• One person was swimming in the pool.
• Hundreds of people were killed in the fighting.
Remember: Don’t say persons.
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Remember: Don’t say persons.
One person or two people?
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Remember: Don’t say persons.
One person starts dancing. Then another person starts dancing. Soon eight people are dancing. Then 50 people are dancing. At the end hundreds of people are dancing.
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As a pronoun they usually talks about a group of people, but it can also talk about one person. (3:15)
Vocabulary Video Lesson: Extreme Sports
This vocabulary lesson will help you define exciting, scary, terrifying, incredible, insane, adrenalin, safety equipment, humdrum and sissy. (8:00)