By Question marks, Simple present

Peaceblinkfriend wrote:Hi all agian I would like to know the differences between these pairs of sentences. Which is correct and why ?1. a) What are the differences between these two ? OK. This suggests that there is (or may be) more than one difference. b) What is the difference between...

Have a look at the following sentence. 1. A patient accusing a doctor of malpractice will find it difficult to prove damage unless there is another doctor to testify about proper medical procedures. In the above sentence we have swiched from simple future to simple present. I...