[ Future Perfect Tense ]
My father will have been sleeping.
A. Will have my father sleep?
B. Will my father have sleeped?
C. Will my father have slept?

Random Topics:
Adverbs, Modals, Preposition of timePrepositions Of PlaceAdjective and AdverbPassive Modals in Different TensesSentence and FragmentUsed to & would & Past SimpleFuture TensesMix-TensesBe going to / WillPresent Perfect and Simple Past TenseOther quiz:
Linking Words and Conjunction › View_______ the heavy snow on the roads, we cannot use our car this morning.
A. However
B. Because
C. Due to
D. Despite
E. Although
Grammar › View
How do you change a verb in past tense to passive voice?
A. Was/were+past participle
B. Past perfect tense
C. Present continuous tense
D. Present perfect tense