At a glance
～に基づいて means "based on" or "on the basis of". It shows the standard or grounds (rules, data, facts, experience) behind an action or judgment.
Noun + に基づいて + action
Noun + に基づく / に基づいた + Noun
法律に基づいて判断します。 We will make a judgment based on the law.
How to form it
It attaches to nouns only. The form changes depending on what comes after it:
| Form | Followed by | Example | Register |
|---|---|---|---|
| に基づいて | Verb / clause | 法律に基づいて判断する | Standard, formal |
| に基づき | Verb / clause | 法律に基づき判断する | More formal, written |
| に基づく | Noun | 法律に基づく判断 | Standard |
| に基づいた | Noun | 法律に基づいた判断 | Standard, same meaning as に基づく |