Question

Next year ,I _________guitar for twenty years.

• A. will be playing
• B. will have been playing
• C. will play
• D. will have played

Answer 1

Answer:

B. will have been playing

• The phrase "for twenty years" indicates a duration up to a point in the future.

• When we talk about how long something will have continued by a certain time in the future, we use the future perfect continuous tense:
  will have been + -ing form