<Tr> <Td> </Td> <Td> V </Td> <Td> O </Td> </Tr> <P> Indirect objects (IO) of ditransitive verbs can be placed either as the first object in a double object construction (SV IO O), such as I gave Jane the book or in a prepositional phrase, such as I gave the book to Jane </P> <P> In English a sentence may be composed of one or more clauses, that may, in turn, be composed of one or more phrases (e.g. Noun Phrases, Verb Phrases, and Prepositional Phrases). A clause is built around a verb and includes its constituents, such as any NPs and PPs . Within a sentence, one clause is always the main clause (or matrix clause) whereas other clauses are subordinate to it . Subordinate clauses may function as arguments of the verb in the main clause . For example, in the phrase I think (that) you are lying, the main clause is headed by the verb think, the subject is I, but the object of the phrase is the subordinate clause (that) you are lying . The subordinating conjunction that shows that the clause that follows is a subordinate clause, but it is often omitted . Relative clauses are clauses that function as a modifier or specifier to some constituent in the main clause: For example, in the sentence I saw the letter that you received today, the relative clause that you received today specifies the meaning of the word letter, the object of the main clause . Relative clauses can be introduced by the pronouns who, whose, whom and which as well as by that (which can also be omitted .) In contrast to many other Germanic languages there is no major differences between word order in main and subordinate clauses . </P> <P> English syntax relies on auxiliary verbs for many functions including the expression of tense, aspect, and mood . Auxiliary verbs form main clauses, and the main verbs function as heads of a subordinate clause of the auxiliary verb . For example, in the sentence the dog did not find its bone, the clause find its bone is the complement of the negated verb did not . Subject--auxiliary inversion is used in many constructions, including focus, negation, and interrogative constructions . </P>

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