1、be + of + 名词原句展示 This can take the form of reading and listening materials which must be of the highest quality.此结构中的名词常为抽象名词。如：value, use, help, interest, benefit, honor, courage, fame, ability, nature, beauty, wealth 等，这类名词前可用 no, some, any, little, much, great 等词修饰，表示程度。 “of + 抽象名词”构成的短语相当于该抽象名词的
2、同根形容词。如：Theory without practice is of little help.没有实践的理论是没有什么用的。此外，size, price, age, shape, length, depth, color, weight, width, height，quality 等也可以用于该结构，这类名词前可用 a(n), the, the same, different, good 等修饰。如：Coins may be of different sizes, weights, shapes, and of different metals.硬币的大小、重量、形状可能不同，铸造用的金属也可能不一样。小试 改写下列句子，使两句句意相同或相近。1. The English-English dictionary is very helpful to me.The English-English dictionary is _ _ _ to me.2. I am sure my information is quite valuable.I am sure my information is _ _ _.Key: 1. of much help 2. of great value
