The past tense of make a public spectacle of oneself is made a public spectacle of oneself.
The third-person singular simple present indicative form of make a public spectacle of oneself is makes a public spectacle of oneself.
The present participle of make a public spectacle of oneself is making a public spectacle of oneself.
The past participle of make a public spectacle of oneself is made a public spectacle of oneself.