Re: gerund between two commas. ( comma+gerund+comma)
After noticing the leaking water, he did nothing but stand in place, at a loss, waiting for a plumber. (I hope he at least called the plumber!)
Originally Posted by eggcracker
He plugged the hole, preventing the water from gushing out, when he noticed the leak.
Since a leak will relieve pressure, there's little danger of a burst pipe as a result of a leak. He went to a lot of effort, after noticing the leaking water, to make sure the floors weren't ruined.
I'm not a teacher, but I write for a living. Please don't ask me about 2nd conditionals, but I'm a safe bet for what reads well in (American) English.