Iʼm currently teaching this to my kids. Hope this helps you in your efforts 🙂
Ko e Lotu ʻa e Eikiʼ
Ko ʻemau Tamai ʻoku ‘i Hēvani,
Ke tapuhā ho huafaʼ,
Ke aʻu mai hoʻo puleʻangaʼ,
Ke fai ho finangalo i mamani;
Hangē ko ia ʻi Hēvani
Foaki mai haʻa mau meʻakai ki ʻanai.
Pea fakamolemoleʻi ʻemau ngaahi ʻangahala
ʻO hangē ko ʻemau fakamolemole ʻa kinautolu kotoa pē ʻoku moʻua mai.
Pea ʻoua naʻaʼke tuku kimautolu ki he ʻahiʻahi;
Ka ke fakahaofi ʻa kimautolu mei he fili.
He ʻoku oʻou ʻa e puleʼ, pea mo e mālohiʼ, mo e kololia,
ʻO taʻengata pea taʻengata. ʻEmeni
The Lords Prayer
Our father who art in Heavan,
Hallowed be thy name,
Thy kingdom come,
Thy will be done,
On earth as it is in Heavan.
Give us this day our daily bread,
And forgive us and those who trespass against us.
Lead us not into temptation
But deliver us from evil.
For the kingdom, the power and glory is yours
Now and forever Amen.
Let's learn Tongan 
What happend to “forgive us our trespasses”.
mālō Jeff for your comments. I say the above in English however the translation of the Tongan Lords prayer back into English is in line 7 ʻforgive us our trespassesʼ and line 8 ʻforgive those who trespass against usʼ. Follow blog and i will post audio up soon.
Malo Hema, my wife is Tongan and I suppose I should have asked her first now I see the word “fakamolemole” . It will earn me some brownie points if I can get that off by heart, especially my mother in law Siupli Fakatava.
Malo Aupito e poupou kihe etau lea moe ngaue fakatonga hoko atu e ngaue lelei ke fai tapuekina mai koe ehe otua mafimafi iho ngaue lelei oku fakahoko.
MALO e tokoni ki he kaha’u etau fanau Tonga,,oku ou ako’i nau ki he Lea fkpalangi mo e Tonga foki,,MALO e ngaue