虚拟6186836875.ppt

Unit 3 Understanding each other Grammar and usage We can also put should, were and had at the beginning of an unreal conditional sentence. In this case, if is not needed any more. Please rewrite the sentences: E.g. If you should make a mistake, you should not be embarrassed. →Should you make a mistake, you should not be embarrassed. 条件句中虚拟语气的倒装 2 ) If you had told me earlier, I would not have this problem now. →Had you told me earlier, I would not have this problem now. 3) If you were to take the train, you would be there much sooner. →Were you to take the train, you would be there much sooner. 条件句中虚拟语气的倒装 条件句中虚拟语气的倒装 TIPS 注意: 如果省略的条件句中的谓语动词是否定形式时,不能用动词的缩略形式. 我们可以说: Were it not for the expense, I would go abroad now. 但是不能说: Weren’t it for … E.g. ____ she ____ yesterday, she would meet the famous singer today. Hadn’t; left B. Had; not left C.If; didn’t leave D. Didn’t; leave 当条件状语从句所表示的行为和主句表示的行为所发生的时间不一致时,被称为“错综时间条件句”。在这种情况下，我们切不可照搬某种形式，而应该按照句中所表述的时间关系，再选择相应的虚拟形式。 错综时间条件句 1. If the flower had been watered, it ______ now. A. wouldn’t die B. is dead C. had been dead D. will not die 2. If his television set had not been stolen yesterday, he ______ TV now. A. would watch B. would have watched C. would be watching D. is watching 错综时间条件句 If you ________(study) hard before, you _______(be) a college student now and you __________(graduate) from a college in fours’ time. had studied would be would graduate More practice Fill in the blanks with the verbs given in the brackets in their proper forms. 1.You didn’t let me drive. If we _________ (drive) in turn, you ________________(not get) so tired. 2.________it __________(not be) for your help, I couldn’t have made any progress. had driven wouldn’t have got Had not been 3. ——Has Mr Smith recovere