Пооомоооогииитееееее пж пж составить продолжение предложений в Past Perfect или Past Simple

1. When my dad called me, I had already finished my homework.

2. By the time my teacher called me, I had already left the classroom.

3. I didn't swim by the time the lifeguard blew the whistle.

4. My cat slept when I got home from work.

5. My boyfriend came home before I had finished cooking dinner.

6. I went to the shop after I had checked my bank account balance.

7. By the time I finished cleaning, it was already dark outside.