Which?

Tēhea is used to ask ‘which’ when there is only one thing being asked about. Tēhea is placed before the thing you want to find out.

Hei tauira:

Ko tēhea rā tēnei?	Which day is this?
Ko tēhea iwi?	Which tribe?
Ko tēhea te maunga o Ngāti Porou?	Which mountain is Ngāti Porou’s mountain?
Nō tēhea iwi koe?	Which tribe are you from?
Ko tēhea rā o te wiki tēnei?	Which day of the week is this?

Ēhea the plural form of tēhea is used to ask ‘which’ when there is more than one thing being asked about. Ēhea is placed before the noun.

Hei tauira:

Ko ēhea whare e peitatia ana?	Which houses are being painted?
Kei ēhea tiriti ngā ākonga e noho ana?	Which streets are the students living in?
Ko ēhea tau i haere ai koe ki Hawai‘i?	Which years did you travel to Hawai‘i?

For further explanations, examples and exercises see Te Kākano pp. 47, 100. Te Kākano Pukapuka Tātaki p. 57 and theTe Kākano CD’s Mahi 80, 82.