jump用作及物动词时，意为“使...跳跃，使...惊起”,着重从地面、其他表面或地点跳起；也可用作不及物动词,意为“跳、跃”,通常不与表示延续的时间状语连用，也不用于进行体，除非表示的是重复的动作。那么，jump的过去式和过去分词是什么呢？
过去式和过去分词：过去式：jumped
过去分词：jumped
第三人称单数：jumps
现在分词：jumping
常见句子：He jumped to his feet when they called his name.?
他们叫到他的名字时他一下子就站了起来。
He took his chances and jumped into the water.?
他冒险跳进水里。
Her heart jumped when she heard the news.?
听到那消息她的心猛地一跳。
With his last jump he equalled the world record.?
他的*一跳平了*纪录。
She jumped back like a startled rabbit.?
她像受惊的兔子似的跳了回去。
The pilot jumped from the burning plane.?
飞行员从着火的飞机里跳伞了。
She jumped fully clothed into the water.?
她没有脱衣服就跳进了水里。
He opened the box and out jumped a frog.?
他打开盒子，从里面跳出一只青蛙来
You gave me a fright jumping out at me like that.?
你这样跳起来扑向我，把我吓了一大跳。