the old man walked in the street ,为什么后接followed by his son ,表被动的话为什么前没有be动词

题目

the old man walked in the street ,为什么后接followed by his son ,表被动的话为什么前没有be动词

答案

一个简单句只能有一个谓语动词.若非要用被动语态,可用and构成并列结构：
The old man walked in the street and he was followed by his son.
这种表达方式的意思侧重：老人在街上行走 和 老人的儿子跟在后面.
这种句式语法正确但不够简洁,所以将“he was followed by his son”变成一种表伴随状态的状语,就成了：The old man walked in the street followed by his son.
这种表达方式重点是：老人在街上行走.