Phrase analysis for an italian university exam!

HI EVERY BODY I will take a university exam in some days, and i really need a help for a phrase analysis! can you help me?

-what is "such" in"such a path"? and adverb phrase??

-very soon> very is an adverb phrase?

-How should I consider the word "energy-related"> should I separate them and analyze singularly? or not?

-he is widely regarded as one of the mostimportant experts>whats is "as"?

-director of greenpeace UK> is UK a noun phrase or an adjective one?

-most of the rise> should I intend "most" as "the majority" and consider it as a noun phrase?

-about three-quarters of them> is three-quarters a noun phrase?

-it has come from developing countries>should I consider "has come from" as a phrasal verb, "developing as an adjective and countries as a noun or Should I consider "has come" as a phrasal verb; from developing countries as a prepositional phrase with a noun phrase embedded?

I'm sorry for the amount of question, I admit being very puzzled!! But please help me, I have to solve my problems for an university exam!

Thank you in advance, Angela!