Английского

When you speak of the plain facts there can't be any question of argument. But I can't agree with you where the principles of logic are concerned.
A special variety of complex sentence with a time clause is presented by a construction in which the main predicative information is expressed in the subordinate clause, the actual meaning of temporal localisation being rendered by the principal clause of the sentence. E.g.:
Alice was resting in bed when Humphrey returned. He brought his small charge into the room and presented her to her "aunt" (D. E. Stevenson).
The context clearly shows that the genuine semantic accents in the first sentence of the cited passage is to be exposed by the reverse arrangement of subordination: it is Humphrey's actions that are relevant to the developing situation, not Alice's resting in bed: → Humphrey returned when Alice was resting in bed...
This type of complex sentence is known in linguistics as "inversive"; what is meant by the term, is semantics taken against the syntactic structure. The construction is a helpful stylistic means of literary narration employed to mark a transition from one chain of related events to another one.
The second group of adverbial clauses includes clauses of manner and comparison. The common semantic basis of their functions can be defined as "qualification", since they give a qualification to the action or event rendered by the principal clause. The identification of these clauses can be achieved by applying the traditional question-transformation test of the how-type, with the corresponding variations of specifying character (for different kinds of qualification clauses). Cf.:
He spent the Saturday night as was his wont. → How did he spend the Saturday night? You talk to people as if they were a group. → How do you talk to people? I planned to give my mother a length of silk for a dress, as thick and heavy as it was possible to buy. → How thick and heavy the length of silk was intended to be?
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All the adverbial qualification clauses are to be divided into "factual" and "speculative", depending on the real or unreal propositional event described by them.
The discrimination between manner and comparison clauses is based on the actual comparison which may or may not be expressed by the considered clausal construction of adverbial qualification. The semantics of comparison is inherent in the subordinators as if, as though, than, which are specific introducers of comparison clauses. On the other hand, the subordinator as, both single and in the combinations as ... as, not so ... as, is unspecific in this sense, and so invites for a discrimination test to be applied in dubious cases. It should be noted that more often than not a clausally expressed manner in a complex sentence is rendered by an appositive construction introduced by phrases with the broad-meaning words way and manner. E.g.: Mr. Smith looked at me in a way that put me on the alert.
Herein lies one of the needed procedures of discrimination, which is to be formulated as the transformation of the tested clause into an appositive that- or which-clause: the possibility of the transformation marks the clause of manner, while the impossibility of the transformation (i.e. the preservation of the original as-clause) marks the clause of comparison. Cf.:
Mary received the guests as nicely as Aunt Emma had taught her → ... in a (very) nice way that Aunt Emma had taught her. (The test marks the clause as that of manner.) Mary received the guests as nicely as Aunt Emma would have done. → ... in as nice a way as Aunt Emma would have done. (The test marks the clause as comparative.)
Clauses of comparison are subdivided into those of equality (subordinators as, as ... as, as if, as though) and those of inequality (subordinators not so ... as, than). The discontinuous introducers mark, respectively, a more intense rendering of the comparison in question. Cf.:
That summer he took a longer holiday than he had done for many years. For many years he hadn't taken so long a holiday as he was offered that summer.
With clauses of comparison it is very important to distinguish the contracted expression of predication, i.e. predicative zeroing, especially for cases where a clause of comparison as such is combined with a clause of time. Here 324
predicative zeroing may lead to the rise of peculiarly fused constructions which may be wrongly understood. By way of example, let us take the sentence cited in B. Ilyish's book: Do you find Bath as agreeable as when I had the honour of making the enquiry before? (J. Austen)
B. Ilyish analyses the construction as follows: "The when-clause as such is a temporal clause: it indicates the time when an action ("his earlier enquiry") took place. However, being introduced by the conjunction as, which has its correlative, another as, in the main clause, it is at the same time a clause of comparison" [Ilyish, 299].
But time and comparison are absolutely different characteristics, so that neither of them can by definition be functionally used for the other. They may go together only in cases when time itself forms the basis of comparison (I came later than Mr. Jerome did). As far as the analysed example is concerned, its clause of time renders no other clausal meaning than temporal; the clausal comparison proper is expressed reductionally, its sole explicit representative being the discontinuous introducer as ... as. Thus, the true semantics of the cited comparison is to be exposed by paradigmatic de-zeroing: → Do you find Bath as agreeable as it was when I had the honour of making the enquiry before?
The applied principle of analysis of contamination time-comparison clauses for its part supports the zero-conception of other outwardly non-predicative comparative constructions, in particular those introduced by than. Cf.: Nobody could find the answer quicker than John. → Nobody could find the answer quicker than John did (could do).
The third and most numerous group of adverbial clauses includes "classical" clauses of different circumstantial semantics, i.e. semantics connected with the meaning of the principal clause by various circumstantial associations; here belong clauses of attendant event, condition, cause, reason, result (consequence), concession, purpose. Thus, the common semantic basis of all these clauses can be defined as "circumstance". The whole group should be divided into two subgroups, the first being composed by clauses of "attendant circumstance"; the second, by clauses of "immediate circumstance".
Clauses of attendant circumstance are not much varied in structure or semantics and come near to clauses of time. The difference lies in the fact that, unlike clauses of time, the event described by a clause of attendant circumstance
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is presented as some sort of background in relation to the event described by the principal clause. Clauses of attendant circumstance are introduced by the conjunctions while and as. E.g.: As (while) the reception was going on, Mr. Smiles was engaged in a lively conversation with the pretty niece of the hostess.
The construction of attendant circumstance may be taken to render contrast; so all the clauses of attendant circumstance can be classed into "contrastive" (clauses of contrast) and "non-contrastive". The non-contrastive clause of circumstance has been exemplified above. Here is an example of contrastive attendant circumstance expressed clausally:
Indeed, there is but this difference between us — that he wears fine clothes while I go in rags, and that while I am weak from hunger he suffers not a little from overfeeding (O. Wilde).
As is clear from the example, a complex sentence with a contrastive clause of attendant circumstance is semantically close to a compound sentence, i.e. a composite sentence based on coordination.
Clauses of immediate circumstance present a vast and complicated system of constructions expressing different explanations of events, reasonings and speculations in connection with them. The system should relevantly be divided into "factual" clauses of circumstance and "speculative" clauses of circumstance depending on the real or unreal predicative denotations expressed. This division is of especial significance for complex sentences with conditional clauses (real condition, problematic condition, unreal condition). Other types of circumstantial clauses express opposition between factual and speculative semantics with a potential relation to some kind of condition inherent in the deep associations of the syntactic constructions. E.g.: