Предавать (Imperfective aspect) // Предать (Perfective aspect)

- to call back,

- to return call,

- to phone back.

Imperfective verbs have Present, Past and Future tenses.

Perfective verbs have Past and Future tenses.

PDF-file with all the forms in the sentences is available here - www.patreon.com/rulangclub/ and https://boosty.to/rulangclub.