1-I was eating when he arrived
2-I was angry
3-You were much younger
4-They were mean
5-She was happy to see you
6-He was training so hard for the competition.
7-You were about to sleep
I was waiting for you
You were waiting for me

He was playing baseball
They were playing baseball

She was spending a lot of money
We were spending a lot of money
she was sad
you were sad too

I was sick
you were sick