Relier Pairs Showing PurposeVersion en ligne 12345 par ASDFGHJKLÑ C.C. 1 Modal Verbs 2 When the subject of the two clauses is the same, 3 When the adverb clause comes first i 4 Purpose Clauses are used to 5 Subordinators show 6 Purpose clauses 7 Subordinators that introduce purpose include so that and in other that , where that is often omitted after so. In other that is not used very often. Usually appear after the main clause purpose is more commonly shown with to or in order (not) to. A verb follows the expression not a noun. how the main clause and adverb clause are related Tell the reason for the action or state in the main clause it is followed by a comma are often used in purpose clauses, examples are: can, could, would, be able to.