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④形容词的比较级和否定副词连用，表示最高级意义时，比较级前用不定冠词. e.g. He had never spent a more worrying day.He would never forget it. 一Do you think the weather is good enough for a picnic? 一一Yes.You couldn't hope for a nicer day at this time of the year. (3)最高级 ①形容词最高级前一般用定冠词the e.g.The Yellow River is the second longest river is China. This is the best film]have ever seen. ②最高级前加不定冠词，相当于“very+原级” e.g. This is an easiest question.You will work it out. ③最高级前有very或much修饰时，注意其位置。即：the very+最高级;much the+最高级 e.g.That was the very worst that could have happened. This is much the best of the books。 3.be of+”。的用法 在英语中,我们常见到“be of+n.”结构。介词短语“of+n.”在句子中常作表语或定语.用来说明人或事物的性质和特征，该结构常用于以下几种情况： (1)“be+of +抽象名词”。该结构相当于“be+抽象名词的同根形容词”结构，用于此结构的名词常见的有：value，use，help，importance, interest, honour，courage, significance等，在这些名词前可以用great，some， any，much，little.no等词来修饰. e.g.The book is of great help.;7he book is very helpful. 这本书很有帮助。 The medicine is of no use.=The medicine is useless. 这药无效。 (2)“be of+n.”结构，可以用来表示种类、数量、度量、颜色、形状等。表示主语在这方面相同，其主语可以是人也可以是物。用于该结构中的名词通常为age，size，length， depth。width，weight。height，kind，sort，type， colour，shape，price，opinion，mind等，该名词前可以与不定冠词a/an或形容词连用。常用于以下两种结构： ①be of+adj. +n.=be+adj.+in+单数名词 e.g. Coins may be of different sizes。 =Coins may be different in size. 硬币可能大小不同。 ②be of+a/an+单数名词=be the same+单数名词 e. g.They are both of an age. =They are the same age. 他们两个同岁。 Ⅲ.词语辨析 1.Feed…to，feed…on/with，feed on 这三个词组都有“喂食”的意思，但注意它们的区别。 (1)feed…to的意思是“用(食物)喂养(某人或物)”，此结构为：feed sth.to sb./animal e.g.Please feed some grass to the cow. 请喂牛些草。 (责任编辑：admin) |