participle in Grammar =verbal adjetive qualifying noun, retaining some properties of a verb.
Hurrying and hurried are the present and past participle of "hurry",
eg:-It's no use hurrying her /trying to make her hurrying to delivery the baby in hospital.
eg:-If we hurrying the delivery work, she may be dead in the hospital.
eg:-More nurses were hurrying to the front line of her bed to rescue her !!!.
eg:-Her husband said:,"Write a few hurrying lines on her report now"
Hence, He is used to ving.
----------He was used to ving------past tense;eg:-He picked up his fountain pen and hurried off,yet hurrying to write a few lines.