sat的过去式

　　They sat down to consider the problem.

　　他们坐下来考虑这一问题。

　　She sat for hours together just staring into space.

　　她连续几个小时坐在那里怔怔地望着前面。

　　We sat outside a cafe, watching the world go by.

　　我们坐在一家小餐馆外面，望着眼前来来往往的人们。

　　The three of us sat glumly looking out to sea.

　　我们三人面向大海闷闷不乐地坐着。