he got the tractor___in the field all the day.(working)为什么不填worked?

问题描述:

he got the tractor___in the field all the day.(working)为什么不填worked?

首先得明白,worked和working的区别.
worked,过去曾经做过
working,现在正在做,一直都在做(或一直做).
同样,get sth doing sth也是一种句式.意思是让什么一直做什么.