Focus on the pronunciation of prove
English definition of “prove”
/pruv/ v (past participle proved or proven /ˈpru·vən/) (SHOW)
› to show after a time or by experience that something or someone has a particular quality: [L] The dispute over rights to the song could prove impossible to resolve. [+ to infinitive] The new safety procedures have so far proven to be satisfactory. As a newcomer, I felt I had to prove myself (= show I am skilled). proven
/ˈpru·vən/ adj [not gradable] › You can’t trust him – he’s a proven liar.