Thank you for all the responses and advice -so nice to know that so many of you have been there. Will take on board all the advice - I think one thing that stands out is the fact that trying to train them on a lead does not work especially when you are both frustrated.
Have also been in contact with Christine ( Evies breeder) tonight who was incredibly helpful and supportive. I am taking Evie up to them on Tuesday so they can see her in action and then train me!! All their years of experience in an afternoon. Feeling more positive and ready to move forward - one thing I will say is that I am so impressed with the friendliness and support of the Large Munsterlander Community -glad to be apart of it!