まず英語が苦手なことを伝えて敷居を下げる

I'm not good at English.
I am sorry that I am not good at English.
I am not good at English, but I will do my best.
I am not good at English, but I want to do my best.
Please forgive me in advance as I am not good at English.

I'm not good at English listening.
I am not good at English so I mostly cannot understand from listening.