Sword and Shield Training.
Before you jump into the Sword and Shield Training you need to review the Basics, Sword Basics, and Shield Basics to have a proper starting point.
Sword and Shield is what comes to mind when many think of knights fighting and is by far the most popular weapons form in many medieval martial combat groups. It is also the form that I have the most to write about as the depth of its use is much greater than other forms due to the multiplicative combination of of gear and techniques.
Basics: Sword and Shield
Strategy: Sword and Shield