强调句、倒装句、省略句
　　
　　一、强调句（参见it的用法）
　　
　　强调句型由"It is （was） + 被强调的成份（主语、宾语、状语）+ that"构成，当被强调的主语表示人时，that可以用who替代，谓语在人称和数上应与主语保持一致。
　　
　　It is he who speaks English fluently.
　　
　　It was not until midnight that he went to sleep last night.
　　
　　二、倒装句
　　
　　句子在以下场合往往用倒装的句序：
　　
　　1.以here， there开头的句子。
　　
　　Here comes the bus.
　　
　　2.以so， nor， neither引导的省略句。
　　
　　如果前一个句子是肯定句，后边用so来引导倒装，这种句子是部分倒转：助动词+主语+正常语序。如果前一个句子是否定句，后边用nor或neither引导，结构同so.倒装句在时态上应与前面的句子保持一致，助动词的单复数应与主语保持一致。
　　
　　If you can do it， so can I.
　　
　　I like watch football matches， so does my brother.
　　
　　If you won't go， neither will he.
　　
　　My sister doesn't like potatoes， nor do I.
　　
　　3."only +状语（从句）"，否定或具有否定意义的词位于句首作状语或引导状语从句的句子。
　　
　　Only in this way can you hope to improve your English.
　　
　　Not only did he show himself as a good student， but he also proved himself a good athlete.
　　
　　Scarcely had I sat down when I heard the telephone rang.（scarcely…when=as aoon as）
　　
　　Hardly had he arrived in the city when he heard the bad news.
　　
　　（hardly…when=as soon as）
　　
　　No sooner had he come home than he was asked to start on another journey.（no sooner…than=as soon as）
　　
　　Little did I know about the matter.
　　
　　In no way can theory be separated from practice.
　　
　　1. I visited Zhangjiajie last summer. Never in my life ______ so beautiful a place like that.
　　
　　A. I had seen     B. did I see     C. have I seen     D. I shall see
　　
　　答案 C

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