Are you a member of a club or organization? How long have you been a member of it?
Yes, I am / No, I'm not. I have been a member (of it) since ___/for ___
Are you afraid of something? How long have you been afraid of it?
Yes, I'm. / No, I'm not. I have been afraid of ___ for ___ / since ___
Do you have best friends? How long have you been best friends?
Yes, I do/No, I don't. We have been best friends since ___ / for ___