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1、句型there be1. 根本结构 There be +主语 + 地点 /时间状语。如：There is a computer in the room. 房间里有一台电脑。There are two TV plays every evening. 每晚有两场电视剧。2. 主谓一致要采取就近一致原那么，和* 近be的主语一致。如：There is a pen, two rulers in the box. 盒子里有一只钢笔，两把尺子。There are two boy3. 主语后的动词形式在there be 句型中，主语与动词是主动关系时用现在分词；是被动关系时用过去分词。如：There is
2、a purse lying on the ground. 地上有一个钱包。There are five minutes left now. 现在还有5分钟。4. 反意疑问句。反意疑问句应与there be对应，而不是依据主语。如：There is a radio on the table, isnt there? 桌子上有一台收音机，是吧？There are more than fifty classes in your school, arent there? 你们班有50多名学生，是吧？5. there be 与have的替换there be表示所属时可与have替换。There is n
3、othing but a book in my bag. =I have nothing but a book in my bag. 包里只有一本书。6. there be后接不定式时常用主动形式表示被动意义。如：There is a lot of work to do. 有许多工作要做。注意：当该句型主语是something, anything, nothing等不定代词时，后面的不定式用主动形式或被动形式，意义各不同。There is nothing to do. 没有事可做。There is nothing to be done. 没有方法(束手无策)。7. 与其它词连用，构成复合谓语。
4、如：There may be a rain this afternoon. 今天下午可能有雨。There used to be a cinema here before the war. 战争之前，这儿有一家电影院。8. 变体there be结构中的be有时可用live, stand, remain等代替。如：Once there lived a king who cared more about new clothes than anything else. 从前有位国王喜欢新服胜过别的任何东西。9. 习惯用语There is no good /use (in) doing sth. 做某事没有好处/用处；There is not a moment to lose. 一刻也不能耽误。例如：There is no good making friends with him. 和他交朋友没有什么好处。He is very ill. Send him to hospital. Theres not a moment to lose. 他病得厉害，把他送到医院去，一刻也不能耽误。