求翻译：他的历史剧主要分为两个四部曲。《亨利六世》上、中、下三部和《理查三世》组成前四部曲；《理查二世》、《亨利四世》上、下部和《亨利五世》组成后四部曲。是什么意思？

His historical drama is divided into two tetralogy. "Henry VI", and in the next three and "Richard III" before the formation of tetralogy; "Richard II", "Henry IV" on the lower part, and "Henry V" formed after the tetralogy.

He is the major historical dramas of two 4 trilogy. henry 6 se and Part 3 of the WTO and the Richard 3 components of the former 4 trilogy; the Richard 2 of WTO, the world of Henry 4, Henry 5, Part 2 and the WTO after the formation of the "trilogy 4.

His historical drama mainly divides into two tetralogies.Before "Henry Six Th" upper, middle and lower three compose the tetralogy with "Richard Three Th"; After "Richard Two Th", "Henry Four Th" on, lower part and "Henry Five Th" compose the tetralogy.

His dramas are mainly divided into two parts. The upper, middle and lower part of the hengliliushi and the lichasanshi make up the four steps before; of the lichaershi and the henglisishi top, bottom, and the Henry v after the composition of four steps.

His historical play is mainly divided into two four songs. " the Henry six generation " upper, middle and lower three and " Richard 3 generations " make up the first four songs; " the Richard two generation ", " the Henry four generation " upper and down parts and " Henry 5 generations " make up the