1.A worth be worth doing sth 或 be worth + n.
worthy be worthy of doing 或 be worthy of + n.或 be worthy to do
worthwhile be worthwhile doing 或 be worthwhile to do
1.A worth be worth doing sth 或 be worth + n.
worthy be worthy of doing 或 be worthy of + n.或 be worthy to do
worthwhile be worthwhile doing 或 be worthwhile to do