catnap的过去式和过去分词

　　例句：

　　The boss caught Jim catnapping at his desk.

　　老板发现吉姆趴在桌子上打盹。

　　Now you are allowed to take a three-miunte catnap.

　　现在你可以休息三分钟。

　　I catnapped on the train.

　　我在火车上睡过一会儿了。