I / not / even / start / cooking when the arrived home from school!
I hadn't even started cooking when they arrived home from school.
"We had just finished our homework when the teacher walked into the class!" What tenses can you see? What happened first?
Past Perfect / Finishing the homework
First: start playing football / Second: start raining (make a past perfect sentence using 'just')
We had just started playing football when it started raining.
First: teacher gives a test / Second: fire alarm rings (make a past perfect sentence using 'already')
The teacher had already given us the test when the fire alarm rang.
