must - I must leave in an hour.had to - The house was too small for them and they had to look for another house last year.must - I'll prove it and you must admit I'm right.have to - Do I have to type this article now?had to - I had to wake up early yesterday.have to - I have to look for another job next month.had to - I was late because I had to type an article.said I must - He said I must win the game.had to - He had to drive to Europe last year.must - He says I must tell him the truth.