function of adverbial
1- adjunct
2- complement of subject +Be
3- direct object
4- modifier

function of adj
1-complement of subject +be
2-complement of direct object
3- pre-modifier in a Noun pharse
4- post-modifier in anoun phrase
5- head of anominal group

function of the pp
1- adjunct
2- complement of subject +Be
3- post -modifier in an Nb
4- complement of an adj