Presente Perfecto vs Pasado Simple

1. I was working
for a week
i´ve been working
a lot

2. i´ve been
working out
I was working
out for a long
time

3. i´ve been
dinking with my
friends
I was drinking a lot

4. I´ve been riding a
bike
I was riding my
bike and i fell

5. I´ve been studing a
lot
I was studing for
two weeks

6. i´ve been waiting
for eat
something fat
I was doing diet

7. I´ve been sleeping
for two hours
I was working
yesterday too

8. I´ve been
playing with my
son
I was working
without break

9. i´ve been
with my son
I was eating
with my mom

10. i've been
looking for
you where
were you?
I was at
home