Does a past participle always have a helping verb? What are examples of helping verbs?
No, a past participle does not always have a helping verb.
Examples of helping verbs are: must, shall, could, will, and can.
An example of a past participle without a helping verb might be:
"Sally ate in the car ."
An example with a helping verb:
"Sally should have eaten in the car ."
Note: Bold words are the past participle.