If the speaker doesn’t know what her or his topic is and cannot convey that topic to the audience, then we’ve got really big problems! Robert Cavett, the founder of the National Speaker’s Association, used the analogy of a preacher giving a sermon when he noted
Build a sentence with a predicate nominal predicativ name being placed after the verb copulativ, and a sentence with a predicate nominative manner in which name (s) predicativ to be placed before the verb copulativ
