I need to identify the part of speech for each what words usually go swimming with my best friend and his rather unusual girlfriend. can you help?

Here's the breakdown of the parts of speech for the sentence:

* What - Interrogative pronoun (used to ask a question)

* words - Noun (names a thing, in this case, the things that are being spoken)

* usually - Adverb (modifies the verb "go")

* go - Verb (describes the action of swimming)

* swimming - Gerund (verb acting as a noun, describing the type of activity)

* with - Preposition (shows the relationship between "go swimming" and "my best friend")

* my - Possessive adjective (modifies "best friend")

* best - Adjective (modifies "friend")

* friend - Noun (names a person)

* and - Conjunction (connects two phrases)

* his - Possessive adjective (modifies "girlfriend")

* rather - Adverb (modifies the adjective "unusual")

* unusual - Adjective (describes "girlfriend")

* girlfriend - Noun (names a person)