Amongst the earliest Elizabethan plays are Gorboduc (1561) by Sackville and Norton, and Thomas Kyd's The Spanish Tragedy (1592). Gorboduc is notable especially as the first verse drama in English to use blank verse, and with the way it developed features, from the sooner morality plays and Senecan tragedy, https://buy-now.cognitiveinstituteofdallas.org/product-detail-no-more-childhood-trauma.html