这个英语句子三个介词在一起是什么意思，是不是带省略结构？

Question

it tried to jog Mark as if to urge him to help it.

Answer 1

as if 是连词，to urge...是不定式。
as if连接的是一个状语从句，从句省略了it was：

It tried to jog Mrak as if (it was) to urge him to help it.

Answer 2

你说的是as if to…，这不是三个介词在一起，as在此是副词，if是连词，to是后面的urge需要的不定式符号。