What were John Wycliffe's main three criticisms of the Church? Accusations of heresy, widespread corruption, and teaching about purgatory Wealth of the clergy, authority of the pope, and teaching of transubstantiation Sale of indulgences, simony, and mass excommunications Puritanism, sale of annulments, and teaching about predestination

John Wycliffe's main three criticisms of the Church is:

Wealth of the clergy, authority of the pope, and teaching transubstantiation.

For the information of the one reading this, John Wycliffe was a theologian and also a Biblical Translator. In this case, he was able to give the three criticisms of the Church for he is obtaining the title of being a theologian which indeed studies the nature of God and religious belief.

Answer is Wealth of the clergy, authority of the pope, and teaching of transubstantiation