Выделить корень в слове узкой

1) phones2) am eat3) know, see, does go4) having5) take6) skiing, is7) mention, mean8) are helping9) looks10) looks11) is jumpingВроде так)))

1.will phone2.was eating3.have been knowing,saw,is going4.had5.takes6.has been skiing,was7.are mentioning,mean8.will you help9.was looking10.looks11.will be jumping12.had,stole13.was14.is knocking,got

Корень - уз, суффикс - к, окончание - ой