Short answers, pulled from the story.
The Supplication against the Ordinaries was a petition drafted by the House of Commons that accused the clergy of cruelty, corruption, and overstepping their bounds. This document was presented to King Henry VIII on the 18th of March 1532 by a group of men who claimed the ordinary clerics had become so oppressive that they were driving a wedge between the laity and the church.
The Supplication against the Ordinaries contained nine specific charges including the independent legislative power of the Convocation, the use of subtle questioning to trap ignorant men in heresy trials, and the collection of excessive fees in church courts. The document also targeted the use of excommunication for minor causes, the great charges made for the institution of clergy into their benefices, and the conferring of ecclesiastical offices upon young persons as a form of nepotism.
King Henry VIII paused before telling the Speaker that he would not be too light of credence and that he would hear the accused before passing any sentence. He warned the Commons that if they did not take a reasonable end to their grievances, he would search out the extremity of the law.
William Warham the Archbishop of Canterbury presented a formal reply to the Convocation and Stephen Gardiner the Bishop of Winchester reacted strongly against the clauses concerning the Convocation's ability to make church laws. Gardiner maintained that the Commons was wrong to claim there was a division between clergymen and laymen and argued that clerical abuses in heresy trials were the fault of individuals within the clergy.
The Convocation of Canterbury reconvened on the 12th of April 1532 to discuss the Supplication against the Ordinaries as the first item on the agenda. The inferior clergy assented to Gardiner's arguments on the 19th of April and the king received Gardiner's reply around the 27th of April.