Answer:
i dont really understand this question wish i could help
Explanation:
Primary sources, for example, are witnesses. If there was a witness to a murder, they would be considered a primary source because they can give the police a first hand view of what happened. Published research, newspaper articles, and other media would be secondary sources as they are not at the event but just commentating and/or making observation from what they can tell from videos and gossip. Let me know if you have any more questions.
The correct tenses for the sentences will be:
3. The radio was on but nobody <u>listened</u> to it.
4. Irene didn't come to school yesterday. She <u>had</u> <u>already passed</u> the test.
5. The car was very dirty. Nobody <u>cleaned</u> it for weeks.
6. Carol was at the party last night. She <u>wore</u> a very nice dress.
7. I <u>did</u> anything this time yesterday.
8. When I last saw you, you <u>studied</u> at university.
9. Somebody sang a song which I <u>heard</u> before.
10. Last year we were in the USA for the first time. We <u>were never</u> there before.
<h3>What is a past perfect tense?</h3>
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
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Answer:
1. is to entertain, inform, or persuade hope this helps :)