One way to understand Biblical Greek is comparing and contrasting it with English grammar. Lack of knowledge of English grammar can be an unexpected obstacle to learning biblical Greek. Here are some basics you may want to review before embarking on learning biblical Greek.
Bible Study software has made biblical Greek more accessible for those who never learned the language. Now with 1 click you can access the Greek word and its conjugation but what are you looking at? Here’s a helpful primer on Greek verbs.