... complete clauses Complete sentences are distinguished from elliptical sentences, unfinished sentences, and nonsentences Clauses may be linked through co-ordination or subordination Co-ordinated clauses ... Non-finite and verbless clauses may have their own subject or may be subjectless Subordinate clauses function as nominal clauses, relative clauses, adverbial clauses, or comparative clauses s Nominal clauses ... relationship of clauses is displayed in Fig 6.2.1 The triangles represent the clauses, and M in the triangles stands for 'main clause' 312 SENTENCES AND CLAUSES Fig 6.2.1 Co-ordination of two main clauses: ...