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and is it possible to give an example of the past tense and past participle used in a sentence?

Thanks so much.
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Most dictionaries will list the past participle only when it's spelled differently than the simple past tense.
Consider the verb "to be." The past tense is "was" and the past participle is "been."

She was sad. She has/had been sad.

To bite: bit; bitten

She bit him on the ear. She had just bitten into the muffin when she noticed it was filled with maggots.
Comments  
Hi

put (present tense) put (past tense) put (past participle)

I had put my pen here, but now it is gone.

Hope this helps.
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 Avangi's reply was promoted to an answer.

put