What are the parts of speech in The speeches often quite long?

Here's the breakdown of the parts of speech in the sentence "The speeches often quite long":

* The: Determiner (specifies which speeches)

* speeches: Noun (the subject of the sentence)

* often: Adverb (modifies the verb "are")

* quite: Adverb (modifies the adjective "long")

* long: Adjective (describes the speeches)

Note: The sentence is missing a verb, which is implied. It would be grammatically correct to say, "The speeches are often quite long."