Unit 2 Topic 2
All these problems are very serious.
Section D
Grammar
None
anywhere
Everyone
everything
Indefinite pronoun and adverb   不定代词和副词一、构成。不定代词、副词是由some, any, no, every与thing, one,body, where 等构成。E.g. something, someone, nowhere, anybody等。二、用法。1．通常情况下,由some, every加后缀构成的不定代词、副词常用于肯定句；由any加后缀构成的不定代词、副词常用于疑问句、否定句中。E.g. You will find your bag somewhere.     Can you hear anything? 2. 注意：当说话人希望得到肯定答复,或是表示建议、请求等意图时,something, somebody, someone也可以用于疑问句中。当要表达“任何人；任何事物”时,anything, anybody, any ...