Question

PRESENT PERFECT TENSE (make the sentence negative)
Rohan has lost his book
He has been standing there for two hours
I have finished my work .
They have seen the office
SENTENCES ARE​

Answer 1

Answer:

1. Rohan has not lost his book.
2. He has not been standing there for two hours
3. I have not finished my work
4. They have not seen the office

Explanation:

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