Because he didn't catch the bus on time, I missed his doctor's appointment
Not catching the bus, he missed his doctor's appointment.
I was walking the dog when I saw you with your new boyfriend
Walking the dog, I saw you with your new boyfriend
Since she didn´t have any money to go out, She stayed home
Not having any time, she stayed home.
First I saw you, then I started crying
Having seen you, I started crying
I waited for the right bus for half an hour. I wasted my time.
I wasted my time waiting for the right bus for half an hour.
While he was cleaning the kitchen he saw a cockroach.
Cleaning the kitchen, he saw a cockraoch.
My symptoms have gotten worse when you quit yor job and then you showed up
My symptoms have gotten worse when you showed up having quitting your job
