Question

Change the following sentences into the respective form of Past Tense: 2. I have been working at this sum for half an hour. 3. He is not allowed to leave the place. 4. We are waiting for the guests. 5. The scenery from the top of the hill is really charming

Answer 1

I had been working at this sum for half an hour.
He was not allowed to leave the place.
We were waiting for the guests.
The scenery from the top of the hill was really charming.