kōrua ko - you and...
Me kōreroreo kōrua ko te kaiako.You and the teacher should have a talk.Simple sentences: you should - me
He koretake kōrua ko Mere!You are Mere are useless!
Kei te waiata kōrua ko Pita.You and Pita are singing.
Kei te kōrero kōrua ko Tuhawaiki.You and Tuhawaiki are talking.