1) I was so exhausted yesterday, but I couldn’t go to bed earlier because I must finished that project for work
......because I HAD TO FINISH that......
2) When I was a kid, I didn’t allow to watch TV before bed. My parents were very strict about it.
When I was a kid, I WASN'T ALLOWED to watch TV before bed.
3) Dan had to call me yesterday but I'm still waiting.
Dan WAS SUPPOSED TO call me yesterday but I'm still waiting.