Helped.
Past is : Beat (itself) Past Particle : Beaten
Driven is the past participle of drive. Like is not a past participle. Helped is the simple past and past participle of help.
The simple past and past participle is had.
"Encouraged" is the simple past and past participle of the verb "encourage".
The past participle for shrink is shrunk.shrink / shrank / shrunk
The past participle of do is 'done'.
The past participle is burst.
The past participle is drawn.
The past participle (and simple past) is loved.
Been
infinitive: be past: was/were past participle: been
The past tense is took. The past participle is taken.