Parts of Speech

"attended" in "They attended the concert last weekend."

What part of speech is the underlined word in the sentence: Several cats ran into Rob’s garage?

The truck driver delivered the packages quickly.

Fast runners won all the awards at the track meet.

What part of speech is the word and in the sentence: "I wanted a peanut butter and jelly sandwich for lunch yesterday."?

She was counting the ballots during social studies class.

Hey! That is my seat.

What part of speech is the word group in the sentence: "Her sister is the oldest member of the group."?

What part of speech is the word 'of' in the sentence 'Are you sure of yourself?'

What part of speech is the word slowly in the sentence: "They slowly carried the couch down the stairs."?