虚拟语气中的非真实条件句

1、UNIT 3，Grammar and Usage Unreal Conditionals虚拟语气中的非现实条件语句，虚拟语气可用于条件语句和其他一些句子。虚拟语气多用于条件句，情况也很复杂，所以要特别注意。首先要判断是否应该使用虚拟语气。因为条件句分为两种。因为一个是实际条件句，一个是不真实的条件句，只有在不真实的条件句中使用虚拟语气，在实际条件句中要使用陈述语气。家庭法简介，observe the following sentences and tell whether they are real or unreal conditional clauses。if we go on pollu

2、ting the world。It wont be fit for us to live in。if you are busy doing your homework，I wont interrupt you。if You have finished cleaning the class room，You can go home now。(under these conditions，the things are sure to happen。)，if there were a lot of good restaurants in the city This would make it mor

3、e attractive。(there arent many good restaurant now .)if a lot of people spoke English，It would be very help ful for tourists。(not many people can speak English now .)，不切实际的条件语句的时态表达，假设完全没有或实现的可能性很小的话，就要在几乎没有的时候使用虚拟语气，此时文章时态比实际条件语句的时态后退了一步。家庭法，1。条件句和主句的假设法，主语should/would/could/might动词原型，主语should/woul

4、d /could/might have科举分词，主语should两者在意义上没有区别尤其是在说怀疑的时候，在与： If she were ready，we would go，未来事实相反的条件子句中，我们可以用were to或should do来表示。 if I were to fail my English test，I would have to take it again at the end of the term . if he should come tomorrow，I would talk to him about it，如果在不切实际的条件语句中有were、had、shoul

5、d，我们可以省略if，将牙齿单词放在句子的开头，采取相反的形式，如： If I should meet her。I would tellher。=should I meether，I would tellher。虚拟条件语句的跳过和翻转筹码，if I were in your position，I would do it better。=Wei would do it better . if they had made preparations，they would have succeeded .=had they made preparations，they would have succ

6、ed主谓词动词表示的动作和条件子句中谓词动词表示的动作不是同时发生的。此时动词的形式不能按照上述表格正确进行，必须根据各自的时间进行调整。这种句子叫做混杂时间条件。纠结的时间条件语句，e . g . if you had followed the doctors advice，then you would be all right now。if I hadnt finished my composition by now。I would be working on it tomorrow . if she had prepared well for her lessons yesterday，

7、she would nt have so many difficulties now。代替条件子句，使用with、without等介词短语或分词或独立主格结构。，隐含条件语句e . g . we might have died without your help。=we might have died if you hadnt helped us。having known in time，We could have stopped it。=if we had known in time，we could stopped it。除了条款中最常见的连接词外，还有以下连接词： otherwise:I

8、n caseBut thatOn condition thatUnlesssuppose/supposing(that)；So long asProvided/providing (that)，2 .使用与if相对应的其他连接表示虚拟结构。e.g. I was busy last week，otherwise I would have come to see you They could nt have finished their work on time，I would have given you more money如果表示与科举事实相反，谓语动词就完成了过去式。)as if、as t

9、hough、wish、would rather、if only its high (about) time子句、子句谓词动词只能使用过去式。，(1)_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _(2)_ _ _ _ _ _ _ _ _ _ _ _ _ _()Got Hadhad/if；Had had WouldHave been，_ _ _ _ _ _ _ _ for the free tickets，I would not have gone to the films so often . a . if it is not b . were it not c._ her .

10、a . hadnt called on b . did nt call at c . did nt call on d . hadnt called at，4 .-lets stop watching the borred-if you dont watch it，I _ _ _ _，either . a . dont b . wont c . am not d . stop，5.-shh -no，you _ _ _ _。I think that will make him sad . a . need nt b . would nt c . should nt d . must nt，6 Y

11、ou _ _ _ _ somebody . a . might hurt b . could harta . wont b . dont c . arent able to d . cant，8 .from what I hear aboot They _ _ _ their holiday very much . a . would have enjoyed b . should nt have enjoyed c . need nt have enjoyed . canjoyed 10-ill pay You by cheque monthly-id rather You _ _ _ me

12、 cash weekly . a . pay b . will pay c . at first . but then we _ _ _ me “a . ought nt to b . cant c . must nt d .”-no，but I think he _ _ _ _ _ have . a . will b . may c . should d d . must 14。I would have informed heed But I _ _ _ _ _ _ _ sobusy . a . were b . had been c . was d . would be，15 .-no one was prepared for Mr . hills questions-I guess