хелп
треба поставити слова в дужках у одному з цих часів:PastPerfect or Past Perfect Continuous

1) had been knowing2)had been serving3) had been4) had picked5) hadn't been hearing6)had been standing7) had seemed8)hadn't want9)had been trying10) had rung Вроде бы так, но я не совсем уверена