started shouting and running ,为什么started之后用动名词形式啊,急,急

题目

started shouting and running ,为什么started之后用动名词形式啊,急,急
Instead of detonating the jacket,after getting out of the car,the child started shouting and running towards the paramilitary frontier corps soldiers stationed at the...post," the officer said.
,为什么started之后要用动名词啊,不能用动词原型吗,我基础不好啊

答案

一般情况下,两者可以互换.如：He started learning /to learn English when he was only three.他在只有三岁的时候就开始学习英语了.但在下列三种情况下,只能用start to do sth.(1)当主语是物而不是人时.如：The ice...