The past tense of try to ingratiate oneself with is tried to ingratiate oneself with.
The third-person singular simple present indicative form of try to ingratiate oneself with is tries to ingratiate oneself with.
The present participle of try to ingratiate oneself with is trying to ingratiate oneself with.
The past participle of try to ingratiate oneself with is tried to ingratiate oneself with.