First Lessons in Maori
As soon as is expressed by an elliptical use of the verb with one of the adverbs tonu or kau for past time, and by the subjunctive with kia for future.
Tae tonu atu matou ki reira ka timata te korero, As soon as we arrived there the speaking began.
Rangona kautia mai ahau e karanga ana, ka oma katoa ratou, As soon as I was heard calling they all ran away.
Kia oti te whare ka noho ai ia ki roto, As soon as the house is finished he shall live in it.