base on

phrasal verb·1 sense·particle on

Usefulness

Meanings

1

Use something as the foundation or starting point

Why “on”? One thing supports another. A plan may need people, facts, money, or past success.

The film is based on a true story.
The film uses a true story as its starting point.
Is this character based on a real person?
Was a real person the starting point for this character?

Test yourself

The film is based on a true story. What does it mean?

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