to be engaged in, occupied with. It is also a verb aux. with other verbs in the infinitive, as ඕහු ලියුම ලියන්ට යෙදුණ, It occurred that he wrote the letter or he did write the letter
sp. used to unite a number of coordinate verbs, as ඔහු මේක කරන්ටත් ලියුම ලියන්ටත් යෙදුණ, he both did this and wrote the letter