sleep的過去式和過去分詞

　　The bed was rumpled where he had slept.

　　床上他睡過的地方亂糟糟的。

　　Steve took a turn driving while I slept.

　　我睡覺時，史蒂夫接著開車。

　　He can't have slept through all that noise.

　　他不可能在那種鬧哄哄的環境里睡好覺。