Looking on the internet deeply has found these results:

I was sick is the most popular phrase on the web.

I were sick 15,290 results on the web	I was sick 112,400,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
in this case, IF can be replaced by WHENEVER); If I were sick, I wouldn't be here. (subjunctive = hypothetical Apr 15, 2013 ... Look Soon for the DOCUMENTARY: "If I were Sick...." . . click here to DONATE to GOSPEL OF HEALTH: http://www.gospelofhealth.org/Donatio. (indicative = states facts or asks questions May 20, 2014 ... "If I were sick, I would not have come to the party." (subj.) This is subjunctive because it tells me that the speaker does not believe he was sick�... PART TWO. JR Cofer. SubscribeSubscribedUnsubscribe I am �... Apr 17, 2013 ... IF I WERE SICK?.... THE ANCIENT HEALING SECRETS OF THE DANIEL DIET	It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

I were sick

15,290 results on the web

I was sick

112,400,000 results on the web

More popular!

in this case, IF can be replaced by WHENEVER); If I were sick, I wouldn't be here. (subjunctive = hypothetical
Apr 15, 2013 ... Look Soon for the DOCUMENTARY: "If I were Sick...." . . click here to DONATE to GOSPEL OF HEALTH: http://www.gospelofhealth.org/Donatio.
(indicative = states facts or asks questions
May 20, 2014 ... "If I were sick, I would not have come to the party." (subj.) This is subjunctive because it tells me that the speaker does not believe he was sick�...
PART TWO. JR Cofer. SubscribeSubscribedUnsubscribe
I am �...
Apr 17, 2013 ... IF I WERE SICK?.... THE ANCIENT HEALING SECRETS OF THE DANIEL DIET

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.