Future perfect tense

I (write) [blank_start]will[blank_end] [blank_start]have[blank_end] [blank_start]written[blank_end] the book before the new year.

[blank_start]Will[blank_end] you [blank_start]have[blank_end] [blank_start]bought[blank_end] a house in a year? (buy)

He [blank_start]will[blank_end] [blank_start]have[blank_end] [blank_start]paid[blank_end] all the debt by October 2. (pay)

We [blank_start]will[blank_end] [blank_start]have[blank_end] [blank_start]returned[blank_end] from Spain by June 12. (return)

By the time Juan arrives, you-all [blank_start]will[blank_end] already [blank_start]have[blank_end] [blank_start]left[blank_end]. (leave)

By the time Maria returns, they [blank_start]will[blank_end] [blank_start]have[blank_end] already [blank_start]eaten[blank_end]. (eat)

Pablo [blank_start]will[blank_end] [blank_start]have[blank_end] [blank_start]given[blank_end] a gift to his wife. (give)

By the time my mom arrive, I [blank_start]will[blank_end] [blank_start]have[blank_end] [blank_start]washed[blank_end] my hands. (wash)

When the movie starts, [blank_start]will[blank_end] the girls [blank_start]have[blank_end] [blank_start]arrived[blank_end]? (arrive)

Next week you [blank_start]will[blank_end] [blank_start]have[blank_end] [blank_start]had[blank_end] this car for twenty five years! (have)