walk既可用作及物动词，也可用作不及物动词。用作及物动词时，意思是“陪着...走”、“护送...走”；用作不及物动词时，意思是“步行”、“散步”。那么，walk的过去式和过去分词是什么呢？
过去式和过去分词
过去式：walked
过去分词：walked
现在分词：walking
第三人称单数：walks
复数：walks
相关例句
All eyes were on him as he walked on to the stage.
他走上台时所有的目光都注视着他。
They walked for a long time and covered a good deal of ground.
他们步行了很长时间，走了好长的一段路。
She walked slowly down the road, evidently in pain.
她沿路慢慢地走着，显然很痛苦。
We walked round to the back of the house.
我们绕到房子的后面。
They walked back together, talking all the while.
他们一起边走边聊着回去的。
I walked around the outside of the building.
我绕着这座房子四周散步。
She walked along with a spring in her step.
她迈着轻快的步伐向前走去。
It was a lovely day so I walked home.
那天天气很好，所以我走路回家了。
She stopped for a moment, then walked on.
她停了一会儿，然后又向前走。
Everyone sprang to their feet when the principal walked in.
校长进来时，所有的人都立刻站了起来。
