1.
Will
they have finished their report by Tuesday?
2.
What
will they have finished by Tuesday?
3.
Will
they have finished their report by Tuesday or by Friday?
4.
They
will have finished their report by Tuesday, won`t they?
5.
Who
will have finished their report by Tuesday?
1.
Will
he have been studying for 3 hours?
2.
How
long will he have been studying?
3.
Will
he have been studying for 3 or 4 hours?
4.
He
will have been studying for 3 hours, won`t he?
5.
Who
will have been studying for 3 hours?