Grammar help please?

Hi,

Can you check for me if I am correct in these meaning, please?

I will never fear/do that. (It's means future)

I have never done it. (So far in my life)

I never feared/did that. So far in my life??

I never heard that. I never knew that. So far in my life??

He never helped me. So far in my life??

Many thanks.