状语从句33.ppt

状语从句  主讲人：陈雨菲 e.g. I won’t know where he is until I get a letter from him. Till 只能用于肯定句中，until既可以用于肯定句，也可以用于否定句。 It’s/will be +一段时间 before+一般现在时 表示过了多久才 It’s/will （not) be +一段时间 before+一般现在时 表示没过多久就 it ’s been+一段时间 since +一般过去时 It will be a long time before we meet again. It has been 20 years since we first saw each other. 2) 一些表示时间的名词词组也可引导时间状语从句。如：the moment, the minute, （一…就）next time（下次）, every/each time （每次）。 e.g. The moment he comes, I will tell him. 3).介词也可以引导状语从句。如since, before, after。 I would like to invite you to do several exercise before coming to our key points. 5) a. hardly … when b. scarcely … when / before c. no sooner … than 都相当于as soon as，用以引导时间状语从句。注意：当 hardly, scarcely及no sooner位于句首时,从句中的主谓要倒装。 e.g. No sooner had she gone than it happened 3. ______ the day went on, the weather got worse. With B. since C. As D. While 4. He was halfway through his meal ____ a familiar voice came to his ears. why B. where C. when D. while 5. Hardly ______ into the village ______ it began to rain. we had got; when B. we got; than C. had we got; when D. did we get; than When he reads a book, his habit is to make a mark _______ the meaning is unclear to him. A. there B. wherever C. the place D. in which 2. If you are travelling ______ the customs are totally different from your own, you may feel a cultural shock. A. in the place B. which C. in which D. where Jenny was very sad over the loss of the photos she had shot at Canada, ______ this was a memory she especially treasured. A. as B. if C. when D. where 2. Some people believe that ______ oil is running out, the fate of the motor industry is uncertain. A. / B. though C. for D. since e.g. a. We’ll come over to see you on Saturday if we have time. b. We should serve the people as / so long as we live. 3. ______ you have