is的過去式是什么

　　Much of the form was not applicable to me.

　　表格中很多部分不適用于我。

　　For a long time his death was concealed from her.

　　他的死瞞了很長時間都沒告訴她。

　　She was not only intelligent but also very musical.

　　她不僅聰明，而且極具音樂天分。

　　Inflation was so high that the notes were like Monopoly money.

　　通貨膨脹嚴重，貨幣變得跟“大富翁”游戲鈔票無異。

　　She was still half asleep when she arrived at work.

　　她到了上班地點時仍然睡眼惺忪。