To use something as the foundation, source, or model for something else.
To make something using another thing as your starting point or main source.
3 meanings, ordered from most common to least. Color-coded by CEFR level.
To use facts, evidence, or information as the foundation for a decision, argument, or belief.
"The government's policy was based on the latest scientific evidence."
We will make decisions based on evidence, not ideology.
To use a book, story, or real event as the source material for a film, game, or other creative work.
"The film is based on a best-selling novel by the same author."
Based on a true story.
— Common film/media attribution phrase
To locate or station someone or something in a particular place.
"The company is based on the outskirts of the city."
Transparent — to set the base of something on another thing.
To make something using another thing as your starting point or main source.
Extremely common and versatile. Used in everyday speech, academic writing, and media. The past participle form 'based on' (e.g. 'based on a true story') is probably the most frequently encountered form. Standard in all registers.
Natural word combinations native speakers use most often.
The five tense forms you'll use most often.
Listen to native speakers using "base on" in real YouTube videos — click a clip to watch it on Looplines.
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