wash的过去式是washed。

例句：

1.What he needed was to wash and brush himself up. 他需要洗一洗， 把自己打扮整洁。

2.Wash the white clothes together, and the blue one separately. 那些白衣服放在一起洗， 这件蓝的要单洗。

3.Having played football for an hour, the boy was dusty and dirty and went to wash immediately. 那个男孩玩了一个小时足球，满身灰尘，便立刻去洗干净。

词组短语：

1.wash oneself 洗澡，自己洗漱。

2.wash away 冲走，洗掉，忘却。

3.wash out 淘汰，洗净，破产。

4.wash off 洗刷掉，洗掉。