In grateful appreciation of your patronage, we are to offer you this free gift as a small token gesture of our gratitude. b. an anticipated major breakthrough in storage technology will allow us to proceed ahead in the continuing evolution of our products. 29. refer to the advice on page 237, and revise the following sentences to eliminate unnecessary prepositional phrases. a. of the operator in the diagnosis of problems in equipment configuration. b. the purpose of this test of your aptitudes is to you with the question of the decision of which major to enroll in.