Fill up the blanks with past perfect continuous tense of given verbs.
1. They ________ (chat) for over two hours.
2. I ________(wait) for promotion for years.
3. she ________ (work) since morning.
4. we ________ (try) to call her.
5. They ________(argue) for an hour.
Answers
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had been chatting
had been waiting
had been working
had been trying
had been arguing
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Answer:
had been plus verb 1st form plus ing
Explanation:
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