William here, alcoholic.
I do want to be there but I do not want to drink.
The obvious answer would be avoid these occasions but as they are being hosted by some very good friends...
When I was five days sober, straight out of detox, drinking was the last thing on my mind. Until I went grocery shopping and decided that a six pack of non-alcoholic beer would be OK. It was not OK and I was back in detox inside a week, after a week-long binge, most of which I do not remember.
It is this alcoholics experience that people, places and things (like social occasions) associated with alcohol were always triggers for me. So in early sobriety, sobriety was my only focus, not friends, events, family, social obligations; there was no easier, softer way for me, no ifs, ands or buts about it.
Mike and Lisar offer good advice if you chose to attend the events.