A sentence expresses a complete thought. All sentences have a subject and a predicate, even if these are only implied. Mawson, subject of independent clause was, predicate of independent clause part, nominative complement to "Mawson" of the team, prepositional phrase, modifying part, so adjectival that, relative pronoun introducing subordinate clause and its subject, having antecedent "team" set out, phrasal predicate of subordinate clause to find, infinitive, part of second subordinate clause, one of reason, modifying "set out," so adverbial the south magnetic pole, object of the infintive Your turn.
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