"England" is a noun, more specifically a proper noun. Therefore, it should always be written with an initial capital letter.
England is a noun.
Anyone is an indefinite pronoun.
i want to know what part of speech is camping
An adjective is a part of speech.
verb
Did and know are verbs. Not is an adverb.
i dnt know
The word "assumes" in this sentence is a verb. It is the action that the subject "their speech" is performing in taking on the accents of 17th-century England.
preposition
It's a verb.
Adjective
Verb is a part of speech, yes. It is an action. However, as for it being a "speech," I would not know. Speech is a noun, but speak is a verb. :)