sleep的過去式和過去分詞

The bed was rumpled where he had slept.

牀上他睡過的地方亂糟糟的`。

Steve took a turn driving while I slept.

我睡覺時，史蒂夫接着開車。

He can't have slept through all that noise.

他不可能在那種鬧哄哄的環境裏睡好覺。