(a) Three times, thrice; on three occasions; twies or thrice, a few times; (b) with qualifying phrase: thrice a dai, thrice on the dai, etc., three times a day; thrice in a weke, three times a week……
(a) One time only (as opposed to two or more times), once; on one occasion; ones or twies, once or twice, from time to time, occasionally; (b) with qualifying phrase: ones a dai, ones in (of, on) the……
