Complete the sentences. Use past perfect.

1) By the time they wrote the text ...

2) Before my parents came home ...

3) I didnt know about it because ...

4) When I phoned my friend ...

5) When we arrived at the party ...

1) By the time they wrote the text the lesson had already been over.

2) Before my parents came home I had done all my homework.

3) I didnt know about it because nobody had informed me about it.

4) When I phoned my friend, he had already left.

5) When we arrived at the party, the drinks had already been served.