In English, "based on" is a common phrase used to indicate the source or foundation of something. It is a versatile prepositional phrase and plays an important role in both written and spoken communication. Let’s delve into its usage and provide a clear understanding of how it works.
1. Meaning of "Based On"
"Based on" is used to show that something originates or is derived from a particular source or foundation. It suggests that the subject of the sentence is influenced, inspired, or formed according to something specific, such as facts, data, a book, or even an idea.
2. How to Use "Based On"
The structure of sentences using "based on" typically follows this pattern:
[Subject] + is/are + based on + [source]
- Example 1:
The movie is based on a true story.
(这部电影是基于一个真实故事改编的。)
In this example, the movie was inspired by or derives its storyline from a true story. - Example 2:
His conclusions were based on extensive research.
(他的结论是基于广泛的研究。)
This means that his conclusions were formed from or grounded in thorough research. - Example 3:
The company's new policy is based on customer feedback.
(公司的新政策是基于客户反馈制定的。)
The company’s new policy is influenced or decided according to what customers have shared.
3. Key Points to Remember:
- "Based on" emphasizes the origin or foundation of something, not the action itself.
- It can be used for both concrete and abstract things, such as data, stories, experiences, or opinions.
4. Common Mistakes with "Based On"
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Mistake 1: Using "based on" when another phrase would be more appropriate.
- Incorrect: "The report is based on the suggestions of the team leader."
- Correct: "The report is based on the suggestions from the team leader."
Explanation: "Based on" is used to show the foundation, while "based on the suggestions of" sounds awkward. Instead, we use "based on the suggestions from" to show the source more naturally.
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Mistake 2: Misunderstanding the structure.
- Incorrect: "I based on the data to make my decision."
- Correct: "I based my decision on the data."
Explanation: The object of "based on" must come after the subject.
5. Conclusion
"Based on" is an essential phrase that helps provide context and clarity by showing what something is derived from. Whether referring to stories, decisions, research, or policies, understanding how to properly use "based on" can significantly improve both written and spoken English.
