напишите 10 предложений на английском языке в Past Perfect умоляяяю !!!!!

БОЛЬШОЕ СПАСИБОООО!!!

I was doing the exercise that teacher had given us earlier. When Sarah arrived at the party, Paul had already gone home.The house was dirty because they hadn't cleaned it for a long time.She had just got home when i phoned.Sue had already had breakfast.Sam had never played tennis before.I hadn't seen them for five years.He was nervous because he had never flown before.I thought i had made a big mistake.I remembered that i had left my keyes home.