So you can see the difference, I've added sharing images
Banns in Wimborne Minster
Marriage at St Luke Oseney, Crescent, Camden, Middlesex (London)
Banns would have been read three times in both parishes but the banns book for the Camden church doesn't appear to be online.
The vicar (or curate), normally during the service of morning prayer or communion on a Sunday would say " I publish the banns of marriage between ___ and ___ . This is the first (second, third ) time of asking. If any of you know cause or just impediment why these two persons should not be joined in Holy Matrimony you are to declare it"
I grew up hearing that every Sunday so the words are lodged in memory. A cause or just impediment is something like one of the pair is already married or they are too close kin, or that one of the couple is a minor and doesn't have the consent of their parents.I don't recall anyone standing up and denouncing the marriage in my hearing. (a similar question is asked at the marriage ceremony , you may recall Jane Eyre where that happens)
It is worth remembering that sometimes though banns were read and recorded the marriage didn't take place. I've also come across a couple where their banns were read thrice in one year but the marriage didn't happen.The next year they were read again and this time they got married.