摘要：there be 的其它句型: 1.There must be a meeting in the office. 2.There have been great changes since 1979. 3.There being no bus, we had to walk home.I． 例题 例1 that he went to sleep. A It was until midnight B That was until midnight C It was not until midnight D That was not until midnight 解析:该题答案为C.强调until结构时.要将否定词not移到until前.又如:He didn't leave until twelve 改为It was not until twelve that he left.例2 There are a lot of students in the class room. A talk B talking C talked D to talk 解析:该题正确答案为B. There be句型为倒装句.可换为A lot of students are talking in the class room. 又如:There is a lot of noise heard out in the street.省略 语补足语中的to be常省略.He was considered the best student in the class. (5) There be结构中 there be可同时省略.或只省略there.如: Anything wrong? (6) 表示年龄的years old, 表示钟点的o'clock, minute等常省略.如:What time is it now? It's ten . 3从句中的省略 (1) 宾语从句.以which, when, where, how和why引起的宾语从句谓语与主句谓语如相同.可省略从句中全部谓语.甚至主语也可省略.仅保留wh-一词.如: He will come, but we don't know when . He didn't come, I wondered why . (2) 定语从句中可省略作宾语的关系代词.如: The man I saw in the street the other day is my teacher. (3) 状语从句.在时间.地点.让步.方式.条件状语从句中.从句主语与主句主语一致.或从句主语是it.则be动词及其主语常可省略.如: I'll tell him that when possible. I won't go there unless (I'm) invited.II．例题 例1 A beam of light will not bendround corners unless to do so with the help of a reflecting device. A made B being made C having made D to be made 解析:该题正确答案为A. unless后省略了it is. make sb (sth) do sth变成被动语态则为sth/ sb be made to do. 例2 While my homework, I heard a cry for help. A do B did C doing D having done 解析:该题答案为C.该空处省略了I'm,相当于while I'm doing my home work.如:While playing guitar, he is singing.

网址：http://m.1010jiajiao.com/timu_id_355501[举报]