Be sure that a main clause follows the coordinating conjunction. Do not use a coordinating conjunction to begin every sentence. Use this option only when it makes the flow of your ideas more effective. Do not use a comma after the coordinating conjunction. Coordinating conjunctions are not transitional expressions like for example or first of. Coordination And Subordination. Some of the worksheets displayed are Subordination, Coordination and subordination, Subordinating conjunctions and subordinate clauses, Building complex sentences coordination and subordination, Coordination and subordination, Combining sentences, Replacing a phrase with a verb, Coordination and subordination.