The preposition do is after thoir if you want to say that someone is to be given something.
Thoir comhairle do Ruairidh
Give Derek some advice
An toir thu pòg do Ghranaidh?
Will you give a kiss to Granny?
Nach toir thu airgead do Mhàiri?
Won’t you give Mary money?
Cha toir mi cnàimh do Dhìleas
I won’t give Dìleas (Faithful) a bone
Tha preposition do is after thoir if you want to say that someone is to be given something.
dhomh | to / for me | dhòmhsa | to / for me |
dhut | to / for you | dhutsa | to / for you |
dha | to / for him / it | dhàsan | to / for him / it |
dhi | to / for her / it | dhìse | to / for her / it |
dhuinn | to / for us | dhuinne | to / for us |
dhuibh | to / for you | dhuibhse | to / for you |
dhaibh | to / for them | dhaibhsan | to / for them |
Thoir comhairle dhaibh
Give them advice
An toir thu pòg dhomh?
Will you give me a kiss?
Nach toir thu airgead dha?
Won’t you give him money?
Cha toir mi isbean dhut
I won’t give you a sausage