高考英语语法总复习《虚拟语气》.pptx

语气概念： 谓语v用不同的形式表示说话人的不同意图，这种形式称为语气。 1.陈述语气：用来陈述一个事实，或提出一种看法，有肯定、否定、疑问、感叹等形式。 He is late for class. What fun! He is not interested in classical music. 2.祈使语气：用来表示请求、邀请、命令、警告或劝告等（动词常用原形） Don’t be late！ 3.虚拟语气：表示说话人所说的不是事实，而是一种假设、愿望、怀疑或推测。;;虚拟语气定义： 用来表示说的话不是事实，或者是不可能发生的情况，而是一种愿望，建议，假设的语气叫虚拟语气。;If引导的条件句、虚拟语气;一、虚拟语气在 if非真实条件句中;If you had studied hard before, you would have passed the exam.;You didn’t let me drive. If we ______ in turn, you ______ so tired. drove; didn’t get drove; wouldn’t get were driving; wouldn’t get had driven; wouldn’t have got;注意： 1.错综时间虚拟语气 当从句主句所表示的行为所发生的时间不一致时，动词的形式要根据它所表示的时间作出相应的调整。 If you ____________(follow)my advice just now, you _________(be)better now. If you __________(study)hard before, you _______(be)a college student now. ;If you ______ with George earlier, you _____ so angry now. talked; would not be had talked; would not be would talk; would not be had talked; would not have been;If we had taken such effective measures much earlier, the river _____ so seriously now. is not polluted would not be polluted had not been polluted would not have been polluted;2. if从句中，were，had（完成时态标志），should可以放在句首，（用于倒装结构），if必须省略。否定词not不能放在前面。 1.Had I not seen him then(Hadn’t I seen him then), I wouldnt have been very happy. ;________ it rain tomorrow, we would have to put off the visit to the Yang Pu Bridge. Were B. Should C.Would D. Will ;3、含蓄虚拟语气 有时为了表达的需要，在虚拟语气中，并不总是出现if引导的条件句，而通过其它手段来代替条件句。 常用的有介词with，without，but for（倘没有，要不是）； 连词or，but； 副词otherwise等。;2.He telephoned to inform me of your birthday, or I would have known nothing about it. 3.I should have given you more help, but I was too busy.;Without electricity, human being life ______ quite different today. is will be would have been would be;But for his help, I ______. should not have succeeded have not succeeded did not succeed had not succeeded;He hesitated for a moment before kicking the ball, otherwise he _____