How do you conjugate Saber in the preterite tense?

Saber is irregular in the preterite tense

See the tables below for the full conjugations in both positive and negative forms.

Saber Preterite Verb Conjugations

Spanish	English
yo supe	I knew
tú supiste	you knew
él supo	he/she/it knew
nosotros supimos	we knew
vosotros supisteis	you knew
ellos supieron	they knew

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Negative Saber Preterite Verb Conjugations

Spanish	English
yo no supe	I did not know
tú no supiste	you did not know
él no supo	he/she/it did not know
nosotros no supimos	we did not know
vosotros no supisteis	you did not know
ellos no supieron	they did not know