A few days ago I came across this post:
"How people feel after sharing a post about Amazon forest fire thinking that will put it out".
Since then I have not been able to comprehend the grammar behind using "ing" without any helping verb.
Here is another video in which the same grammar has been used.
"Sweet little Tyler had been absent from the class for a week, Fighting off the stomach flu.
I tried to look it it on Google and what I have found out is that it is called Participle but that's about it. I only have surface knowledge of Participles. Don't know the rules. So would you guys please help me understand it. I would really appreciate it.