This BOY is weeping very much'. Note that the resulting group may float, too. The paradigm of AGR-clitics is dominated by case distinction. The general technique is to demote A to IO which is echoed in the verb wioth the help of 'dative1'-clitics. They were afraid of going home'.
Participles can occour both in attributive function or as non-finite forms in subordination.
In fact, participles in soibordination share a number of properties with non-finite verbs in serialized sequences. It is important to note that the case of a referent is determined by the valence of the first verb in such a serialized sequence, cp. Participles normally maintain their verbal valence even if they are nominalized, cp. There he stayed till Herode was dead'. In such constructions, coreference is preferred.