"will have undergone" can be used in written English.
It is used to express that something happened in the past but is still having some effect. For example: By the end of the year, the country will have undergone significant changes in its infrastructure.
He will have undergone a medical examination, asked if he is suicidal and if he has recently taken drugs.
WHEN the 2012 Nascar season roars to life in Florida next February, racecars in the Sprint Cup series will have undergone one of their biggest changes in decades.
César will have undergone a transplant more perilous than any organ replacement: he'll have been wrenched from an artistically and commercially successful European film and plunked down into the strange new world of megabudget Hollywood-studio remakes.
By the time you hear a Seinfeld "bit" at one of his £70-a-ticket O2 Arena gigs, or on a TV talkshow, it will have undergone months or years of testing, and there won't be a syllable wasted.
By the time this sculpture is cast in bronze, it will have undergone further metamorphoses: a finished work he shows me is so pulverised and in his words "fucked up" that you can barely see its Disney smile.
Prior would doubtless still be required to play in that match, and if he is forced to play over the next three days as well, he will have undergone a hefty and undesirable workload before the Test series even begins.
Even so, Albert insists, Socrates himself will not have undergone any real change, relative or absolute.
Those who have undergone FGM will have complications while giving birth.
Will not compete indoors, having undergone post-Olympic surgery.
When Malia and Sasha want to have new friends over to the White House to play, those friends and their families will probably have undergone a discreet background check.
Patients will have often undergone surgery and received radiotherapy and chemotherapy, all of which can cause lumbosacral plexopathy.
