Хелп треба поставити слова в дужках у одному з цих часів:PastPerfect or Past Perfect Continuous
1) had been knowing 2)had been serving 3) had been 4) had picked 5) hadn't been hearing 6)had been standing 7) had seemed 8)hadn't want 9)had been trying 10) had rung Вроде бы так, но я не совсем уверена