If you do not know how to start conversation you can choose an appropriate phrase from the list of ice breaks - short standard phrases. (aforeignlady.com)
You took the «cookie cutter» way — using the same stock standard phrases that you have heard from a thousand different sources starting with your high school careers class. (topmargin.com)
On the other hand, if you are teaching a business class, linguistic formulas may play a larger role as you provide the learners with standard phrases for written documents, participating in meetings, etc.. (thoughtco.com)