‘i’ and ‘ki’
1. 
ki – marks the object of 
experience verbs (except ‘rongo’ and ‘kite’)
Kei te pīrangi au ki tērā kai.
I want that food.
2. 
ki – marks a goal or direction of movement to or at someone or something
Kei te haere au ki Kirikiriroa.
I am going to Hamilton.
3. 
ki – marks tool or implement i.e. ‘with’
Mā Ezra te keke huritau e tapahi ki tēnei naihi.
Ezra will cut the birthday cake with this knife.
4. 
ki te – marks subsequent action i.e. secondary action
I haere ngā tama ki te toa ki te hoko i te miraka. 
The boys went to the shop to buy the milk.
5. 
ki – marks a comparison of similarity, e.g. ‘same as’
He rite tonu ia ki tōna matua. 
He is just like his dad.
6. 
i – marks a comparison of contrast or difference
He reka ake tāku aihikirīmi i tāu!
 
My ice-cream is yummier than yours!
7. 
i – marks the object
Kei te patu a Joy i te taramu.
 
Joy is hitting the drum.
8. 
i – marks the causer of a stative verb
Kua mahue rātou i te pahi.
 
They have been left behind by the bus.
9. 
i – marks point of origin i.e. from where, or from when
Kua hoki mai au i Ahitereiria.
I have come back from Australia.
10. 
ki – marks the person/thing that is waited for – note: we don’t use 
mō ‘for’ in this context.
Kei te tatari a Sage ki tāna aihikirīmi.
Sage is waiting for his ice-cream.