When my children had trouble breathing, theories did not help.

Legal theories help us to understand and analyse this context in two ways.

The critical theory he has learnt 'helped a lot with what I was doing as a teacher'.

The new theory may help suggest ways of avoiding the problem.

This theory has helped to extend the knowledge we now have on executive functions.

Some theories help their own positions while others do not.

How does this theory help us deal with her?

And how does all this theory help us get the captain back?

Temporal theory can help explain how we maintain this discrimination.

How can theory help us resolve our ethical and political problems?