Most often NRSV, GNT, and HMT to prepare for Bible studies and sermon prep. Gospels to aid in personal study as I'm marking my synopsis.
Reference works most helpful.
Kittel, BAG, Aland Synopsis to write in, Zerwick Grammatical Analysis Commentaries such as New Interpreter's, Interpretation Grammars such as Machen, Wallace, and Lambdin Harper Collins and New Oxford Study Bibles for their annotations.