Seem to have done. Seemed to be конструкция. Seem конструкция. Глагол to seem. Appear to be конструкция. Has been какое время. Had been v3 какое время. Have has v3 какое время. Has had какое время. Употребление глагола have и has таблица. Спряжение глагола have в английском языке таблица