[ Perfect Tenses ]
Provide an example of a sentence in past perfect continuous tense.
A. He has been waiting for the bus for over an hour.
B. She was waiting for the bus for over an hour.
C. They will be waiting for the bus for over an hour.
D. She had been waiting for the bus for over an hour.
Select your answer:
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A. are play
B. are playing
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D. is playing
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Change the linking verb of this sentence to past tense.
Food for the animals is all around us.
A. was
B. have
C. are