hundred的過去式和過去分詞

該詞沒有過去式和過去分詞，例如：

1、One hundred have already been placed with foster families.有一百名已經獲安排領養。

2、This state of affairs lasted without intermission for a hundred years.這種局面從未間斷地持續了一百年。

3、I have a hundred and one things to do.我有一大堆事情要做。