had been supplementing
-había estado complementando
Past perfect progressive conjugation of supplement. There are other translations for this conjugation.
See all conjugations of supplement

supplement

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500+ learners.
NOUN
(addition)-el suplemento
Synonyms for supplement
accessory
el accesorio
accompaniment
el acompañamiento
additive
el aditivo
adjunct
el apéndice
annex
el anexo
annex
el edificio anexo
attachment
el accesorio
attachment
el documento adjunto
complement
el complemento
Antonyms for supplement
loss
la pérdida
TRANSITIVE VERB
(to add to)-complementar
Synonyms for supplement
augment
aumentar
complement
complementar
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