将分词作状语转变为状语从句？

Question

Armed with the new machine，a search party went into the cave.

Answer 1

Armed with the new machine，a search party went into the cave.一支搜查队带着这台新机器进了山洞。
=A search party went into the cave，when they were armed with the new machine，.追问

when是从句连词吗

Answer 2

When they were armed with the new machine, a search party went into the cave.追问

你好，必须要有when吗

追答

状语从句需要连接词

追问

从句必须有连词才能有谓语对吧，否则就是一个句子双谓语 were和went。

追答

对啊，不然就没有构成复合句

追问

逗号没有连接词（连词）也不是复合句，只能是一个句子这样理解对吧

追答

中间为逗号，两边句子其中一个必须有连词

追问

从句的谓语动词是were还是were armed

从句的谓语动词是were还是were armed

从句的谓语动词是were还是were armed

追答

是were armed with

追问

were为什么不能单独谓语

Answer 3

After they were armed with the new machine, the search party went into the cave.

Answer 4

When it was armed with the new machine，a search party went into the cave.

Answer 5

A search party went into a cave as they were armed with the new machine.