虚拟语气(一).ppt

1、虚拟语气(一),People get AIDS after having been infected with HIV. 2. Keep quiet in the reading room, please. 3.If I were you, I would go now.,祈使语气,陈述语气,虚拟语气,英语动词有三种语气: 陈述语气，祈使语气和虚拟语气.,条件状语从句 1.If he _(be not) in the office, he must be out for lunch. 2.If I am free this afternoon, I _(go) with you. 3. If

2、I_ you, I would go now. 假如我是你的话，我现在就走。 (事实上我不可能是你),真实条件句,虚拟条件句,is not,will go,were,定义：用来表示说的话不是事实，或者是不可能发生或可能性比较小的情况，而是一种愿望，建议，假设的语气叫虚拟语气。,一、虚拟语气定义,1. If there _(be) no exams, students _(have) a happier time. 2. If I _ (have) free time, I _ (go) to the cinema now.,were,would have,had,would go,If he

3、_ more carefully, he _ the car accident yesterday.,had driven,would not have had,If we _(have) one day off tomorrow, we would spend the whole day surfing the Internet. = If we _(have) one day off,. = If we _(have) one day off,.,had,were to have,should have,+have done sth.,+ do sth,+ do sth.,had done

4、,were / did, were / did should do were to do,would should could might,would should could might,would should could might,now,past,future,More exercises,How do you respond to the following situations: The boy who went swimming in the No-swimming Zone drowned in the river. If the boy had not gone swimm

5、ing in the NO-swimming Zone, he wouldnt have drowned in the river., Had the boy not gone, he,2. The mother carelessly put the knife within the babys reach, and the baby cut herself while playing with it. If the mother had carefully put the knife out of the babys reach, the baby wouldnt have cut hers

6、elf., Had the mother carefully put, the baby ,虚su,虚拟条件句省略if时，须把were ,should和had 放在句首，构成倒装,3.If you _ (follow) the doctors advice last week, you _ (be) quite all right now.,had followed,would be,当条件状语从句表示的行为和主句表示的行为 所发生的时间不一致时，动词的形式要根据它 所表示的时间来调整, 从而构成混合/错综时间 条件句。,2. I wish,I did/were,I had done.,I w

7、ould/ could do, Now , I wish I _(be) a bird. She wishes she _(make) such a serious mistake yesterday. The naughty boy wishes his parents _(not punish) him again.,(过去),(未来),(现在),时态倒退法,were,hadnt made,wouldnt punish,3. would rather that-,过去, I would rather you _(pay) me now., I would rather you _ (go)

8、 there yesterday , too., Dont come. I would rather you_ tomorrow.,I were/did,I had done,paid,had gone,现在/未来,came,3. 名词性从句的虚拟语气。 主要是表示命令、要求、建议的虚拟语气。,宾语从句。常见动词： 一个坚持：insist 两个命令：order, command 三个建议：advise, suggest, propose 五个要求：demand , require, request, desire, ask,这些动词后面的宾语从句要使用虚拟语气用法。即从句中的动词 使用shou

9、ld + 动词原形，或者将should省略。,他们要求我们派他们去那儿工作。,We suggested that Tom _(have) a rest.,He insisted that I _ (be) present.,The king ordered that the prisoners _ (kill) the next day.,They requested that we _ (send) them to work there.,(should) have,(should) be,(should) be killed,我们建议Tom去休息一下。,他坚决要求我到场。,国王命令囚犯明天

10、要实施死刑。,(should) send,1. 假如你当时在场，你会怎么做?,If I had been on the spot, I would have jumped into the river to rescue the children on condition that I could swim. If not, I would have first called the police and then persuade people on the boat and the swimmers nearby to help.,2. 假如你动物园里的动物，你喜欢整天被人拍照吗?,If I were one of the animals in the zoo, I would not like to be taken photos all day. First of all, Whats more,2. 假如你在学习生活中遇到了困难，你打算怎么做？