高中英语必修一UNIT4知识点归纳及练习(共4页).doc

精选优质文档-倾情为你奉上高中英语必修一UNIT4知识点归纳及练习(附答案)一、知识点1.Now imagine there has been a big earthquake.现在，假设有一次大地震。“There +be +主语+其它成分”结构中there为引导词，本身无意义，谓语动词按照就近一致原则。其它相似句型还有：There happen to be碰巧有There seems/appears to be好像有There is likely to be可能有There may/might be也许有There must be一定有There cant be不可能有There is said/reported to be据说/据报道有There used to be曾经有There is sure/certain to be一定有2. happen to.It (so) happened tha