Complex Sentences in modern English

The theme of our course paper sounds as following: «Complex Sentences in modern English». Before beginning of investigation in our theme, we would like to say some words dealt with the theme of our course paper. In a complex sentence we distinguish the principal clause and the subordinate clause or clauses. Standing on such ground, we would like to point out tasks and aims of our work. In our opinion the practical significance of our work is hard to be overvalued. This work reflects modern trends in linguistics and we hope it would serve as a good manual for those who wants to master modern English language.