father- in -law,mother-in-law,brother-in-law,sister-in-law怎么变名词复数?

题目

father- in -law,mother-in-law,brother-in-law,sister-in-law怎么变名词复数?

答案

变名词复数：fathers-in-law,mothers-in-law,brothers-in-law,sisters-in-law
这一类的名词变复数时,只把father这些称呼变为复数就行了,in-law部分照写.