用it 作形式主語的句型結構中,如果作表語的形容詞是clever, good, nice, kind (善良的),foolish (愚蠢的),wrong等,不定式前要用of sb. 引出不定式動作的執(zhí)行者,不用for sb.。
It is clever of her to say so. (正)她這樣說話是很聰明的 。
It is clever for her to say so.(誤)
It is very kind of you to help me. 你幫助我真是太好了。
It is foolish of Jim to do like that. 吉姆那樣做是愚蠢的。
It is very nice of you to lend me the book. 你把那本書借給我真是太好了。
It is good of her not to tell him the news. 她沒把消息告訴他真是太好了。(不定式否定式 )