Right now Im learning the Nominative and accusative stuff. If you're familiar with Mounce's book, Im on chapter 6
probably the best thing to do is to just translate the gospel of John. that's what we did at seminary, it worked pretty well to understand the constructs, etc. plus it's easy to memorize.
"I confidently affirm that whoever calls himself Universal Bishop is the precursor of Antichrist"
Gregory the Great
"Never, never, never let anyone tell you that, in order to be Orthodox, you must also be eastern." St. John Maximovitch, The Wonderworker