. For example, OE temporal conjunction "sith" (з тихий ПІР) began to express causal relationships as well. And, finally, a great number of new connectives came into being: eg save, except, in case, because, till, before etc.appearance of relative pronouns from interrogatives wh?, what, wh? s, wh? m (14th century) and the differentiation of "that, who, which" in their functions by the 18th century made it possible to indicate various kinds structural and semantic relationships in the complex sentence with subordinate attributive clauses.me ans of expressing subordination are growing more stabilized. In certain types of subordinate clause, first of all in object and adverbial clauses of purpose, the tense form becomes dependent on the tense of the predicate-verb in the main clause. This phenomenon, termed "sequence of tense" is considered now one of the means of expressing subordination.
