Beginning Greek

The grammar I'm using is Beginning with New Testament Greek by Benjamin L Merkle and Robert L. Plummer. The website for the textbook Daily Dose of Greek has lectures going over the material and other helpful resources. Benjamin Merkle and Robert Plummer also have a book called Greek for Life: Strategies for Learning, Retaining, and Reviving New Testament Greek.

This is an additional place to go over the materials: Beginning with New Testament Greek TA Session by Lark Kelsey

I like Tyndale's physical Greek New Testament for reading. The Greek New Testament SBL Edition can be read online for free (it's the text I'm using for this website).

A good video series reading 1 John aloud is 1 John (read by Louis Tyler). Daily Dose of Greek has a series of videos explaining the Greek of 1 John verse by verse: 1, 2, 3, 4, 5.

Intermediate Greek

An intermediate Greek grammar is the next step after learning to recognize basic forms and syntax. It moves past a heavy focus on identifying forms to understanding their function in greater detail.

The textbook I would get is Going Deeper with New Testament Greek, Revised Edition: An Intermediate Study of the Grammar and Syntax of the New Testament by Andreas Köstenberger, Benjamin Merkle, and Robert Plummer.

Another good option is Intermediate Greek Grammar: Syntax for Students of the New Testament by Dave Matthewson which also has lectures: Dr. Dave Mathewson - Greek III by Ted Hildebrandt Biblicalelearning.

Sources

Greek Scripture quotations are from The Greek New Testament: SBL Edition © 2010 Society of Biblical Literature and Logos Bible Software. Used by permission. All rights reserved worldwide.

English Scripture quotations taken from the World English Bible (WEB), public domain.