I had a great time.
I have a cold.
I have a fever.
I have a good sense of humor.
I have a headache.
I have a runny nose.
I have an upset stomach.
I have been here 2 or 3 times before.
I have been looking forward to meeting you.
I have decided to study in the U.S.A.
I have diarrhea.
I have gained weight.
I have got a lot of things to do today.
I have got to do homework tonight.
I have seen you before.
I have severe constipation.
I have to tell you a secret.
I haven't seen you in at least 15 years.
I haven't seen you in years.
I heard you're playing golf with Kim this weekend.