run现在分词：第三人称单数:runs;过去式:ran;过去分词:run;现在分词是running。动词现在分词的构成一般在词尾加ing，以不发音字母e结尾去掉e再加ing，以重读闭音节结尾且只有一个辅音字母双写辅音字母再加ing。
1.用作不及物动词
Rabbits run fast.
兔子跑得快。
I used to run when I was in the school.
我在学校的时候常常跑步。
2.用作系动词
The water ran cold when I turned the tap on.
我把水龙头打开,水就凉了。
That old woman's food has run short.
那位老妇人的粮食已经吃完了。
3.用作及物动词
The children ran races in the park.
孩子们在公园里赛跑。
He ran a race with me.
他与我赛跑。
4.用作双宾动词
They're running a special train to the football match.
他们为这场足球比赛安排了一列专车。
I excused myself and ran back to the telephone...
我说了声抱歉，跑回到 *** 机旁。
Police believe the gunmen ran off into the woods...
警方认为持枪的歹徒逃到树林里去了。
...when I was running in the New York Marathon...
当我参加纽约的马拉松比赛时
Phyllis Smith ran a controlled race to qualify in 51.32 sec.
菲莉丝·史密斯控制好速度，用51.32秒跑完了比赛，获得了参赛资格。
The owner insisted on Cool Ground running in the Gold Cup...
主人坚持要让“酷地”参加金杯赛马会。
If we have a wet spell,Cecil could also run Armiger in the Derby.
如果我们遇上持续下雨，塞西尔也能让“扈从”参加德比马赛。
...the sun-dappled trail which ran through the beech woods.
穿过山毛榉林的阳光斑驳的小路
...a gas-filled glass tube with a thin wire running down the centre...
中部有一根延展的细金属丝的充满气体的玻璃管
Our host ran a long extension cord out from the house and set up a screen and a projector.
我们的主人从房里牵出一根延长电线，架起屏幕和投影仪。
He laughed and ran his fingers through his hair...
他笑了，用手指拢了拢他的头发。
I ran the brush through my hair and dashed out...
我用刷子刷了一下头发，冲了出去。
They have gathered the best statistics they can find and run them through their own computers.
他们已经尽力搜集了数据，并将它们输入了自己的计算机。