Will you have finished the prayer before the airplane crashes into the ground?
Yes, I will have finished the prayer before the airplane crashes into the holy ground, that's why I can play chess with the GOD in the heaven.
No, I will not finished the prayer before the airplane crashes into the dirty ground.
Future Perfect :
will have + past participle
vagy
am/is/are + going to have + past participle
off : yes, it was perfect.
swimming, Past Perfect Continuous
off : ha barki hibat latna, akko' kerem jelezze :)