preposition

Noun[change]

A preposition is a member of a group of words, or part of speech, that usually show where something happens. Typically a preposition is followed by a noun.
In the sentence, "I come from Canada," from is a preposition.

Grammar (edit)
parts of speech	noun - verb - adjective - adnoun - adverb - determinative/determiner - article - participle - pronoun - conjunction - preposition - interjection
grammatical functions	head - subject - predicate - object - complement - modifier - adjunct - determiner/specifier
clauses	independent clause - dependent clause - subordinate clause - relative clause