I think the answer is revenge.
Answer:
1: Never are students allowed to use dictionaries in the test.
2: Never could Mary have given you any money.
3: No sooner than he came home, the problem intensified.
4: Only occasionally does Sharon talk to me these days.
5: Under no circumstances are you to talk to him about any issue.
Answer: shift
Explanation:
Based on the information given, the rhetorical technique used is shift. It should be noted that a rhetorical shift occurs when the tone or the style of a speakers or a writer is being altered. A rhetorical shift is a can be signalled when transition words such as however, then, or but are used.