I think it dangerous to swim in this river.
( ÀÌ °¿¡¼ ¼ö¿µÇÏ´Â °ÍÀº À§ÇèÇÏ´Ù°í »ý°¢ÇÑ´Ù.)
I found it hard to walk in the deep snow. ¾Ë°Ô µÇ´Ù.
I found him a good job. ã¾ÆÁÖ´Ù
I think it easy to solve the problem.
I believe it necessary to practice at least once a week.
I make it a rule to read a newspaper every day lest I should fail behind the times.
I make it a rule not to eat too much, for it is plain that overeating is bad for the health.
Whenever I am going to write anything, I find it best to think first what I am going to say.