Our NP chunks are very similar to the ones of Ramshaw and Marcus (1995 (NP-SBJ *-1) (VP to (VP be (ADJP-PRD excellent)))))) , but ... [CONJP Not only ] does [NP your product ] [vP have to be ] [ADJP excellent ] , but ... ADVP chunks mostly correspond to ADVP constituents in the Treebank.
aDVPs inside aDJPs or inside VPs if in front of the main verb are assimilated into the aDJP respectively VP chunk.