Настаивать (Imperfective aspect) // Настоять (Perfective aspect)

- to hint,

- to hint at smth,

- to make insinuation,

- to speak at smb.

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 - https://boosty.to/rulangclub.