Everyone is (supposed) to hand in their composition by Monday.

What am I supposed to do with my life?

I should have a psychiatrist examine my head.
I should have my head examined. (by a psychiatrist)

the Member of Parliament = the MP
The speech was just about to begin...

Minulla oli tapana juoda kolme kuppia kahvia.
1. I used to drink three cups of coffee.
2. I WOULD DRINK three cups of coffee.
3. I had a habit of drinking three cups of coffee.
4. I was in the habit of drinking three cups of coffee.
5. I usually drank three cups of coffee.