1.   From personal experience, she knew and understood the problems of alcohol addiction.

2.   His own rise from the bottom of the heap guarantees that he understands problems of a class-ridden society, he tells audiences.

3.   I understand the problems in hung Parliaments, and all the rest of it.

4.   I understand the problems, but an armed intervention force would give everyone the opportunity to seek a political solution.

5.   More research needs to be done to attempt to understand these problems but statistical modelling is not appropriate.

6.   Professionals often intervene before they understand the problem in full and so fail.

7.   A more successful remedy may lie in understanding the problem rather than evading it.

8.   The inability to carry out an agreed suggestion may indicate that neither the follower nor the leader had really understood the problem when the objective was set.

9.   For example, is the student is encountering difficulty in transposing a formula while clearly understanding the problem, then specific assistance is appropriate.