Question

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.....

Answer 1

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.

Answer 2

1) By the time they wrote the text, they had already conducted extensive research on the topic.

2) Before my parents came home, I had finished cleaning the entire house.

3) I didn't know about it because nobody had informed me beforehand.

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

5) When we arrived at the party, most of the guests had already left.

Please let me know if there's anything else I can help you with!