Past Perfect Explanations

I had to call a helicopter to come and rescue me

When I woke up in the morning, the electricity was shut off

I arrived at home with a broken leg.

As I walked down the street, a crowd of reporters and photographers ran after me.

I arrived at work in the morning, but I didn't recognize anyone in the office

I took all the money out of my bank account

My boss approached my desk, and she was furious

I tried to unlock my front door, but it wouldn't open

When I woke up in the morning, I had no idea where I was

I received a phone call from the president