1)However，what happened later proved me wrong.
2)Franklin Blake，meanwhile，received a letter from Rosanna saying that she knew what he had done on the night the Moonstone disappeared.
這兩句話都運用了what引導名詞性從句，如果我們平時常讀英語文章或常做英語試題，就不難發現what的使用無處不在。下面就歸納總結what引導名詞性從句的用法，希望對同學們有所幫助。
一.引導主語從句
1)What we need is more time.
我們所需要的是更多的時間.
2)What really matters is that she wore a pair of white shoes.
真正麻煩的是她穿了一雙白鞋.
二.引導賓語從句
1)People were perhaps more honest a long time ago when life was very different from what it is today.
很久以前當生活與現在的生活完全不同時，人們或許更誠實.
2)People have heard what the President has said;they are waiting to see what he will do.
人們已經聽到了總統所說的`;他們正等着看總統會做什麼.
三.引導表語從句
1)Whether ways will be found to stop pollution or not is just what worries the public.
是否能找到阻止污染的方法就是所令民衆擔心的事兒.
