mistake的过去式和过去分词怎么写

　　例句：

　　He was loath to admit his mistake.

　　他不愿承认自己的错误。

　　I made a stupid mistake.

　　我犯了个愚蠢的'错误。

　　There was a mistake over his booking.

　　他的预订中有个错误。

　　There appears to have been a mistake.

　　看来有一个差错。

　　He's waiting for me to make a mistake.

　　他正盼着我出错呢。