Are they different?
(1)The doctor tried to reduce the patient's fear that he would die of his disease.
(2)The doctor tried to reduce the patient's fear of that he would die of his disease.

Are the two sentenses all true?Why?

Question

Are they different?
(1)The doctor tried to reduce the patient's fear that he would die of his disease.
(2)The doctor tried to reduce the patient's fear of that he would die of his disease.

Are the two sentenses all true?Why?

Answer

Number 2 is certainly incorrect.
You could say also:
" The doctor tried to reduce the patient's fear of dying ...."

Answer

I chose 1