basieren
Translation
were based on, was based on
Examples
Die Theorien basierten auf alten Daten.
The theories were based on old data.
Grammar Patterns
auf+3 basieren to be based on sth. (past) Die Theorien basierten auf alten Daten.
Similar Words
Synonyms: beruhten auf, stützten sich auf
Etymology
Simple past (Präteritum) form of the verb 'basieren', from 'Basis' (base).
Memory Tips
This is the past tense form, used for plural subjects (we, they) or the formal 'you'. Remember it as the past of 'basiert'.