Student or Learner
Which tense sounds the most natural?
I have been having a headache all morning. I have taken some medicine, but
a) it didn't help
b) it hasn't helped
c) it is not helping
(= I still have a headache)
I have had a headache all morning.
I took some medicine, but it didn't help/hasn't helped.
I have taken some medicine, but it hasn't helped/isn't helping.
These are all natural.