Tough構文
amusing, annoying, awkward, bad, beautiful, beneficial, boring, comfortable, confusing, convenient, cumbersome, dangerous, delightful, depressing, desirable, difficult, dull, easy, educational, embarrassing, essential, excellent, exhausting, expensive, fashionable, fine, fun, good, great, hard, horrible, ideal, illegal, important, impossible, impressive, instructive, interesting, irritating, loathsome, necessary, nice, odd, painful, pleasant, pleasurable, rare, risky, safe, simple, strange, tedious, terrible, tiresome, tough, tricky, unpleasant, useful, weird.
また形容詞に限らず、 a pleasure, a breeze, a cinchなどの名詞もこの構造を取る事が可能である。
Nureyev is a delight to watch.
It is a delight to watch Nureyev.
To watch Nureyev is a delight.
主節の動詞として take が用いられる場合もある。
This document will take a long time to process.
It will take a long time to process this document.
To process this document will take a long time.