Answer:
Rocco's will have been making the best cannolis for five years in a row.
Step-by-step explanation:
This sentence illustrates a specific verb tense; the Future Perfect Continuous Tense, also known as the future perfect progressive.
It is used to describe an action that will continue (continuous) until a specific point in the future (perfect), thus the name.
As we can see in the example, the future perfect continuous is formed by:
- will + have + been + verb ending in -ing