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Sentences in the active voice can be converted to the passive voice by - amongst other maneuvers - moving the direct object into the position originally occupied by the grammatical subject.

Does this make it the new grammatical subject of the sentence? If so, what is the original subject now called? If not, how are subject and object(s) classified after the conversion?

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    Yes, the direct object of the active becomes the subject of the passive and the subject of the active appears in the passive as complement of the preposition by in a PP functioning as complement: Everyone saw the accident ~ The accident was seen by everyone. – BillJ Jan 5 '17 at 17:45
  • The term 'internalised complement' is used to label the function of by everyone because when we replace an active clause by its corresponding passive, the active clause subject appears internal to the passive VP, like internal complements. – BillJ Jan 5 '17 at 18:46
  • I don't agree with anything that Greg Lee said; in fact he didn't actually give you a definitive answer. Well, I have, in the form of a tree diagram (see my answer below). As you'll see, the subject of the active becomes an "internalised complement" in the passive VP, and the direct object simply becomes a "complement". – BillJ Jan 11 '17 at 17:51
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The former object becomes the new subject. That is clear -- the new subject has all the properties one could reasonably associate with a subject. Number agreement with the verb and subject raising from complement sentences, for instance.

What happens to the former subject is a more interesting question. Here are 3 theoretical answers:

I. It may not be represented overtly at all, in which case the original subject was an abstract thing called "UNSPEC" (short for unspecified). This is argued by McCawley in The Syntactic Phenomena of English.

II. It may become part of a manner adverb with "by". This is argued by Chomsky in Aspects of the Theory of Syntax. The reasoning here is that we need to explain the "fact" that only verbs that are subcategorized to co-occur with manner adverbs can be passivized. Unfortunately for Chomsky's proposal, this is not so. Cf. "Ohio is bounded on the north by Lake Erie."

III. In Relational Grammar (by Postal and Perlmutter in various articles), the former subject is a chomeur, meaning it no longer bears any grammatical relation in the clause. I like this theory, because of an interesting generalization discovered by McCawley (reported in the same reference as above).

McCawley undertakes a detailed examination of the structure of passive sentences, and finds that the passive by-phrase can turn up in several different places -- in fact, anywhere it will fit into the derived passive structure.

Now, for those theories that associate the internal structure of clauses with the order in which verb-functions apply to their arguments (like Categorial Grammar and HPSG) and further associate this order with grammatical relation (like HPSG and my theory, 2psg), McCawley's fact is predicted.

Since a by-phrase chomeur bears no particular grammatical relation to the verb, the order in which the verb-function applies to this argument is arbitrary, so you should get a number of different derived structures in the passive.

I believe I am the first to have noticed this convergence between McCawley's theory and Relational Grammar.

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  • If you were to consult McCawley's treatment, you would see that what you say is not so. Here is a simple example to show that the by-phrase is not necessarily part of a passive V'. "The painting was noticed yesterday by Joyce, and the sculpture was (0=noticed yesterday) by Louise." The V' of the second clause has been deleted by V'-deletion under identity with the V' of the first clause, "noticed yesterday". – Greg Lee Jan 5 '17 at 18:45
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    @BillJ, then find evidence to support your view or to refute mine. This is how linguistics works. You don't trade insults, you trade arguments. I think you show promise as a linguist, otherwise I wouldn't bother to argue with you. – Greg Lee Jan 5 '17 at 19:05
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    @player.mdl, In Relational Grammar, the first object in English is a 2 (direct object) which has been advanced from a 3 (indirect object), and the second object is a chomeur which has been demoted from a 2. As to what to do about a "by" construction in a language that doesn't have one, that's easy. Nothing to do. – Greg Lee Jan 6 '17 at 17:58
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    One of the nicer things about Relational Grammar is how it solves the Dative and Passive rules. Dative (I gave the book to her ~ I gave her the book) is simply 3 => 2 (indirect object becomes direct object), while Passive is 2 => 1 (DO becomes Su). Do them in that order and you predict that The book was given to her and She was given the book are both correct. – jlawler Jan 8 '17 at 0:22
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    I have answered the OP with a tree diagram of the passive version of a ditransitive active clause to demonstrate how simple it is. As for your example in your first comment, it is just a case of a coordination of two main clauses which just happen to be passive. "Was by Louise” is a passive VP with a gap in the middle. – BillJ Jan 11 '17 at 17:38
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You have this sentence:

"She was kissed by his lips"

Syntactically the subject is "she". This concerns the order of the words in relation to the verb: she is the subject because it is positioned in the place of the subject. Also you have many other reasons to argue that this is the subject, like the morphological one: you can see that the verb "was" is conjugated in singular to correspond with "she", and not with "his lips", which is in plural.

Semantically -concerning the meaning of the words- you can say that the agent (not the subject, but the agent), which is the thing that is performing the action, is his lips, as they are, in the meaning, the things that are performing the action onto her. However, I insist, this is not what is called "subject".

So, in the sentence:

"His lips kissed her"

The subject (which is evaluated syntactically [concerning the order of the words] and morphologically) is "his lips", and the agent (which is evaluated semantically [concerning the meaning]) is also "his lips", they coincide in this case, but that is not always what happens.

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Diagram here of Passive Version Of Ditransitive Active

Note: The diagram represents the passive version of the active ditransitive clause:

My aunt gave Ed a pair of shoes.

Note:

In the passive, the direct and indirect object of the active clause are internal complements of the verb (i.e. are constituents of the VP), but “a pair of shoes” is not internalised because it is an internal complement within the VP in the corresponding active clause: its status remains the same, where “internalised” implies a change.

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  • I believe you may be correct, but it is really hard to tell. A proper exposition with enough examples might take walls of text. Maybe a reference to a book would be preferable. – vectory Aug 11 '19 at 16:32
  • @vectory Have you got access to The Cambridge Grammar Of The English Language, by Huddleston & Pullum? – BillJ Aug 12 '19 at 16:28

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