Discuss the difference between since/for/ago
Since is point of time
Abhi padhne main maza nahi
For + a period of tome
She went to Japan for three years
Since + a point in time until now.
She was in Japan since 2005
I think 'for' is used also for a period of time.
Ex. I worked at the service station for five years
Unconfirm - for
Earlier time- ago