It was quite clear to everyone in the family that he had to start getting ready for his exam instead of wasting time.
It was impossible to do anything in such a short time. I had to ask the chief to put off my report.
I did not mean that you had to do everything they told you.
It was already twenty minutes past eight. You had to go or you would have been late for the first lesson.
I was very tired. I felt I had to go to bed at once, or I should have fallen asleep where I was sitting.
We could not wait for them any longer, we had to ring them up and find out what had happened.
I was thinking hard, trying to find a solution of the problem. There had to be a way out.
I doubted if I could finish the work in (on) time, but I had to do it.
I had to hand in my completed assignment by Friday.