It is run. This is one of the few verbs where the infinitive and past participle are the same. The simple past tense is different (ran).
Past Participle: run
Past simple = Ran (e.g. He RAN out of the store)
Past participle = Run (e.g. He was RUN out of the store)
The past tense of run is ran. The past participle is run.
The past participle of do is done. The past participle of have is had.
The past participle of am is been. Not does not have a past participle
What is the past participle of do
The past participle of have is had....:) I have had...
The past participle is had.
The past participle is willed.
The past participle is been.
The past participle is thought.
Being is the present participle. The past participle is been.
To isn't a verb and so doesn't have a past participle. The past participle of be is been.
The past tense and the past participle is "answered".