Accepted Answer
The correct tenses for the sentences will be:3. The radio was on but nobody listened to it.4. Irene didn't come to school yesterday. She had already passed the test.5. The car was very dirty. Nobody cleaned it for weeks.6. Carol was at the party last night. She wore a very nice dress.7. I did anything this time yesterday.8. When I last saw you, you studied at university.9. Somebody sang a song which I heard before.10. Last year we were in the USA for the first time. We were never there before.What is a past perfect tense?The past perfect tense is formed by using the word that had followed the past participle of the verb. In this case, the appropriate verbs have been put into the sentences.Learn more about past perfect tense on:brainly.com/question/4161654#SPJ1