1、we followed tom,we started to ...，整合，following tom,we...
2、he opened the drawer,he took out a box,整合。。。
3、when they heard the news, they all jumped with joy
4、when he returned home...
现在分词作状语的区分感觉很难区分现在分词作状语表时间和它作伴随状语的情况，比如下面这些句子：⒈Following Tom
1、we followed tom,we started to ...，整合，following tom,we...
2、he opened the drawer,he took out a box,整合。。。
3、when they heard the news, they all jumped with joy
4、when he returned home...