Verb Lab — linguistic resources
Updated 2026-09-09

French inflection data: Lefff (Lexique des Formes Fléchies du Français),
Benoît Sagot and contributors, distributed under LGPL-LR.
https://www.labri.fr/perso/clement/lefff/
Full license: /data/LEFFF-LICENSE.txt
The modified, legible resource is freely available at /data/fr.json.
Modifications: selected lemmas, expanded person rows and compound forms;
2026-09-09: added everyday verbs and corrected nonstandard frire forms.
This linguistic resource is distributed under LGPL-LR without warranty.

German and Spanish morphology: Wiktionary contributors, extracted via
Kaikki.org / Wiktextract (Tatu Ylonen and contributors), CC BY-SA 4.0.
https://en.wiktionary.org/  https://kaikki.org/
https://creativecommons.org/licenses/by-sa/4.0/
Modified legible resources: /data/de.json and /data/es.json, CC BY-SA 4.0.
Modifications: curated selection, expanded person rows and compound tenses;
2026-09-09: everyday expansion and separable German imperative placement.
Additional attribution: /data/ADDITIONAL-VERB-ATTRIBUTION.txt

English base morphology: LemmInflect (MIT), derived from the NIH Specialist
Lexicon. Existing definitions: Open English WordNet 2025, CC BY 4.0.
https://github.com/bjascob/LemmInflect  https://en-word.net/
https://creativecommons.org/licenses/by/4.0/
Detailed attribution: /data/ENGLISH-VERB-ATTRIBUTION.txt
Existing French-English glossary: /data/DICTIONARY-ATTRIBUTION.txt

The 2026-09-09 everyday definitions and multilingual contextual sentences
are original Verb Lab teaching content; they are not copied dictionary
examples. Embedded content in the German/Spanish/French data resources is
made available under the corresponding resource license above.

All resources are provided as is, without warranty. Language-learning
examples and semantic cues are teaching aids, not certified translations.