为什么用running

I found him running.为什么用running 为什么用running water为什么要用running what about running inthe park 中,为什么用 running I’m running a fever.为什么用running Bill is a great running star.He is very well.中,running为什么要用running? 为什么用running,怎么解释这个running.It gets its name from the white stripes running down its back. My dog's subject is only running around with me.为什么用running而不用run But sometimes there are many cars running on the road,为什么要用running? I saw forty horses running in the sports field中为什么用 running did you see a boy running into the room 为什么用running My friend likes running and swimming.为什么用 running and swimming I can't wait to see you running around这为什么用running . running is her favorite sport 为什么用running,skating is her favorite sport did you see a boy running into the room 为什么用running The man could be running for exercise.为什么用running而不是run 谢啦在线等 doing running after meals does harm to your health为什么要用两个ing doing running You'd better start the engine running.翻译下`这里running为什么要用ing形式