walk的过去式和过去分词怎么写

　　She doesn't like to walk home late at night.

　　她不喜欢深夜步行回家。

　　Now I can walk to work instead of going by car.

　　现在我可以步行去上班，而不必开车了。

　　I'll get there, even if I have to walk.

　　我就是走也要走到那儿去。

　　My prayer is that one day he will walk again.

　　我的企盼就是有一天他能重新走路。

　　She didn't have the strength to walk any further.

　　她再也走不动了。