Match the Past Perfect explanations below with the sentences.

Write one number in each gap.

I had never been to such a beautiful place before I went to Sicily. [ ]

By the age of 15, I had already known what profession I would take up. [ ]

If I had known your problems, I would have helped you. [ ]

We were hungry because we hadn't eaten in the morning. [ ]

1. An unreal situation in the past.

2. An action happened before another action in the past.

3. A description of the reason.

4. An action happened before a stated time in the past.