Christmas Parts of Speech!

now the jingle hop has begun...in this phrase, now is what part of speech? 

...but the fire is so delightful...in this phrase, but is what part of speech? 

O Christmas Tree! O Christmas Tree! in this phrase, O is what part of speech?

It's the most wonderful time.....in this phrase, the is what part of speech? 

Grandma got run over.....in this phrase, over is what part of speech? 

We wish you a Merry Christmas!...is this phrase, We is what part of speech?

Rudolf the Red Nosed Reindeer...in this phrase, Reindeer is what part of speech? 

Hark! The Herald Angels Sing...in this phrase, Hark is what part of speech? 

Come they told me...in this phrase, told is what part of speech? 

It came upon a midnight clear...in this phrase, clear is what part of speech? 

Jingle around the clock...in this phrase, around is what part of speech? 

Dashing through the snow...in this phrase, dashing is what part of speech? 

Was to certain poor shepherds...in this phrase, certain is what part of speech? 

Deck the Halls with boughs of Holly...in this phrase, Deck is what part of speech? 

Have a Holly Jolly Christmas..in this phrase, Jolly is what part of speech?