Frequency: The word is one of the 700 most common words in English.
Note: 'They' is a third person plural pronoun. 'They' is used as the subject of a verb.
1.
You use ~ to refer to a group of people, animals, or things.
The two men were far more alike than ~ would ever admit...
People matter because of what ~ are, not what ~ have...
PRON
2.
You use ~ instead of ‘he or she’ to refer to a person without saying whether that person is a man or a woman. Some people think this use is incorrect.
The teacher is not responsible for the student’s success or failure. They are only there to help the student learn...
PRON
3.
You use ~ in expressions such as ‘~ say’ or ‘~ call it’ to refer to people in general when you are making general statements about what people say, think, or do.
They say there’s plenty of opportunities out there, you just have to look carefully and you’ll find them...
PRON vagueness