课件45张PPT。Unit4 Cyberspace
Lesson 3 Virtual Reality
Grammar : The subjunctive mood
北师大英语模块五 Let us enjoy a song If I Were A Boy
If I were a boy
Even just for a day
I would roll outta bed in the morning and throw on what I wanted then go
Drink beer with the guys
And chase after girls I would kick it with who I wanted.
The subjunctive mood
虚拟语气
Part 1Q:What’s the difference between the two sentences?If I am free, I will visit you.If I were a bird, I would fly into the sky.→ (虚拟条件句)→(真实条件句)If 引导的条件句a. if真实条件句 表示条件是真的或有可能实现的, 采用陈述语气。b. if虚拟条件句 表示条件是虚拟的或几乎无法实现的, 采用虚拟语气。If we have chances, we can have further cooperation.If I have another chance, I will visit China again.
if真实条件句用于陈述语气,假设的情况很有可能发生,其中if是“如果”的意思if条件从句
一般现在时 主句
will shall+动词原形
情态动词 + 动词原形What will you do if it rains tomorrow?I will sleep at home if it rains tomorrow.if虚拟条件句 表示条件是虚拟的或几乎无法实现的, 采用虚拟语气。 if 引导的虚拟条件句
②与现在事实相反①与过去事实相反③与将来事实可能相反If Tom had learnt how to swim,
he would not have been trapped on
that island for four years.与过去事实相反If he had got up early, he would not have been late for school.(与过去事实相反) if虚拟条件句If+主语+had +动词的过去分词即:If+过去完成时态主语 + would ( should / might / could )+have doneIf he __________ more carefully, he _________________ the car accident yesterday.had driven would not have had ?If I were the schoolmaster , I would let the students get up a little later to get a better sleep.与现在事实相反If I had a great deal of money, I would buy a villa (别墅) for my parents.与现在事实相反 if虚拟条件句If+主语+ 动词的过去式
(be动词一般用were)主语+would ( should / might / could )+动词原形即:If+一般过去时态
(be动词一般用were) if虚拟条件句1、If+主语+动词过去式
2、If+主语+were to+ 动词原形
3、If+主语+should +动词原形
主语+would ( should / might / could )+动词原形
If I met Obama some day, I would shake hands with him.
If I were to meet Obama some day, …
If I should meet Obama some day, …与将来事实相反
If the sun were to rise in the west,I would marry you
. If the sun rose in the west,…
.If the sun should rise in the west,…1、一般条件句中的虚拟语气
1.You didn’t let me drive. If we _____ in turn, you____ so tired.(96全国)
A. drove; didn’t get
B. drove; wouldn’t get
C. were driving; wouldn’t get
D. had driven; wouldn’t have got
选择答案 D二. 在虚拟条件句中,如果条件句中有were, had(助动词)或should时,可使用倒装结构,但if必须省略。若条件从句为否定句,否定词not应置于主语之后,而不能与were,should,had等缩略成weren’t,shouldn’t,hadn’t置于句首。
If it had not been for your help, we couldn’t have finished the work yesterday.
= Had it not been for … , …
1.
1). Had I seen him then, I would have been very happy.
= If I had seen him then, I would have been very happy.
2). Should I have time, I would go with you.
= If I should have time, I would go with you.
3). Were I not so busy, I would go with you.
= If I were not so busy, I would go with you.这样的虚拟句不含有if从句,而是以but 、but for、without、or、otherwise等引导的句子代替if从句,主句的谓语动词的形式与前面虚拟语气的基本用法相同。
But for your advice, I could not have done it so successfully.
要是没有你的建议,我就不会那么成功地完成它。三、含蓄条件句(1) I was ill that day. Otherwise, I would have taken part in the sports meet.(副词)
(2) He telephoned to tell me of your birthday, or / otherwise I would have known nothing about it.(连词)直陈语气虚拟语气直陈语气虚拟语气(3) 用介词短语代替条件状语从句.常用的介词有with, without, but for 等。如:
What would you do with a million dollars?
We could not have finished the work ahead of time without your help.
But for the rain, we would have finished the work.
=If you had a million dollars, what would you do?=If we hadn’t got your help / If you hadn’t helped us, …
=If it hadn’t been for the rain, …虚拟语气虚拟语气虚拟语气He hesitated for a moment before he kicked the ball, otherwise he ____ a goal.
A. had scored B. scored
C. would score D. would have scored
I was away that day, otherwise I ____ the lecture.
A. had attended
B. would have attended
C. would attend
D. attended Thank you for all your hard work last week. I don’t think we ______ it without you.
A. can manage
B. could have managed
C. could managed
D. can have managed
should do !
should do ! should do ! 二. 名词性从句中的虚拟语气我们建议Tom 去休息一下。
他坚持要我与他同行。
他们要求派Tom去那儿工作。
老师要求作业要及时完成。We suggested ___________________ .He insisted _________________________ .They requested (that) Tom _________________________________ .(that) Tom have a rest(that) I (should ) go with him(should) be sent to work thereThe teacher asked (that) our homework _________________________________ .(should) be finished in timeI suggest that we (should) hold a meeting next week. He insisted that he (should ) be sent there.
注意: 如suggest, insist不表示"建议" 或"坚持要某人做某事时",即它们用于其本意"暗示、表明"、"坚持认为"时,宾语从句用陈述语气。
1.The guard at the gate insisted that everybody ____ (obey) the rules.
2.He insisted that she ______(be) seriously ill and that _________(send) to hospitals at once.
3.He suggested that we________ (have) a meeting at once.
4.His pale face suggested that he ______(be) ill.obeywasbe senthavewas3. wish 的宾语从句wish 的宾语从句与现在事实相反: 一般过去时( be 用were )
与过去事实相反: 过去完成时
与将来事实相反: would/could /might+V.原
I wish I _____ (be) as tall as Yao Ming.wereI wish/wished I ______ (have not) eaten so much watermelon.hadn’tI wish it ______ ( will ) rain tomorrow. If so, I can stay at home to have a good sleep.wouldExercise 判断是否虚拟2. 判断虚拟类型3. 判断虚拟时间Pass!虚拟语气应试对策考题点击
His suggestion that you _____ once more sounds reasonable.
A. try B. tries
C. must try D. can try2. She made the demand that the journalists _____at once for Iraq.
A. leave B. leaving
C. left D. to be left3.We are in favor of your proposal that the meeting ______.
A. should put off
B. was put off
C. be put off
D. is to put off4. It is high time the child ______ to the hospital. A. is sent?? B. would be sent C. must be sent D. were sent
5. If only I ________ driving before.
A. had learned B. learned
C. learn D. would learn
6. I wish I ______a bird
A is B were
C will be D are
7. How I wish that I ___ the moon sometime in the future .
A had visited B would visit
C visited D will visit
8. I’d rather you ____?me the news.??
A. not tell????????????B. not to tell?????????????????
C. didn’t tell?????????D. hadn’t told