The word Bob in this sentence is a noun.
Dog
Gave is a verb. It's the past tense of give.
A noun. Ex: She gave me a task to do.
"You gave the book to her" is a complete sentence made up of several parts of speech. You - pronoun gave - verb the - article book - noun to - preposition her - pronoun
it is a adjective of course!
Bone is mostly used as a noun. There is a crude usage that would be a verb.
Mountain is a noun. Example from the song: This time you gave me a mountain to climb.
She's still alive. She had a bone disease in her hip the caused part of the bone to die (the same disease that ended Dong Fangxiao's career). Plus, with the death of her coach from cancer, she decided to retire.
It was part of a speech he gave to the Virginia Convention.
The word 'in' would be a preposition in the example sentence you gave.
Yes, He gave the keynote speech at the democratic national convention in 2004, part of which had been plagiarized from another speech given by Governor of Massachusetts Deval Patrick.
Weak is an adjective in that sentence. It describes the noun "answer".