英国的入籍词我给您找到了 您自己看一下

Affirmation of allegiance British Citizenship

I do solemnly, sincerely and truly declare and affirm that on becoming a British citizen, I will be faithful and bear true allegiance to Her Majesty Queen Elizabeth the Second, her Heirs and Successors, according to law.
I will give my loyalty to the United Kingdom and respect its rights and freedoms. I will uphold its democrativ Values. I will observe its laws faithfully and fulfil my duties and obligations as a British citizen.