American Dictionary
Definition be to do something in American English
be to do something phrase
phraseWhat are we to do?
You are to be congratulated on your wise decision.
used in an "if" clause for suggesting a possible goal when you are saying what must happen in order to achieve it
If we are to compete successfully in world markets, we must invest more money in education and training.
used in the past forms in an "if" clause for describing a situation that does not exist and is not likely to exist: were is considered more correct than was with all subjects in this type of "if" clause
If your son were to die before you, the property would be divided among your grandchildren.
