What's a coach' job?_______someone in sports(train)是不是to train 和training都能用.
问题描述：
What's a coach' job?_______someone in sports(train)
是不是to train 和training都能用.
答
如果是单句这样用,习惯用法是to train.traing一般是用在成分从句中,比如traning someone in sports is called a coach job.这种东西其实在语法看来2者都能用,主要是习惯表达法.