高中英语优质课课件-虚拟语气 学案

Unit 2 Poems
Grammar Subjunctive MoodⅡ
【学习目标】
1.理解和掌握if条件状语句中表示与过去客观事实相反的假设的虚拟语气；
2.掌握虚拟语气在主语从句、表语从句和同位语从句中的运用。

【重点与难点】
虚拟语气在不同从句中的谓语动词形式和意义。

【学法指导】
通过不同类型从句中的谓语动词形式，掌握虚拟语气的形式和意义。

预习案Previewing Case
【巩固复习】虚拟语气在if引导的条件状语从句中的运用。

[观察]阅读下面4个句子，注意观察每句的if从句和主句的谓语动词形式，指出其表达什么语气和意思。

① If it_____ ( be )fine now, I ________ (go) shopping.
② If everyone _______(live) a low-carbon life now, the earth ___________(be) saved.
③ If it ______________________(be) Christmas Day tomorrow, I _____________(get) some gifts.
④If you _______________________(get) a full mark next time, I _____________ (treat) you to candies. [发现] 1. 上述①②句中的if条件状语从句表示与_________客观事实相反的假设；
2. 上述③④⑤句中的if条件状语从句表示与_________客观事实相反的假设。

[总结] 1.如果if条件状语从句表示与现在客观事实相反的假设，从句的谓语动词形式用_________或_________,主句的谓语动词形式用情态动词_______/_______/_______/________+动词原形；
2. 如果if条件状语从句表示与将来客观事实相反的假设，从句的谓语动词形式用_________或_________或_________,主句的谓语动词形式用情态动词_____/_____/_____/________+动词原形。

探究案Exploring Case
【探究一】虚拟语气在if条件状语从句中还可表示与过去客观事实相反的假设。

[填空] 听录音给诗歌填空。

We w ould have won…
if Jack had scored that goal,
if we’d had just a few more minutes,
if we _____________________
if we’d had thousands of fans screaming,
if I hadn’t taken my eye off the ball,
if we hadn’t stayed up so lat e the night before,
if we _____________________
if we _____________________
We would have won…
if we’d been better!
[发现] 上面这首小诗是2个___________句，we ___________ won，为主句，10个if引导_______状语从句,表示与（过去/现在/将来）客观事实相反的假设；
[总结]当if从句中的虚拟语气表示与_______客观事实相反的假设时，if从句的虚拟语气谓语形式用______________, 主句的谓语形式用____________________。

[即学即练] 根据提示完成句子。

①If Jack ___________ (not win) the lottery（彩票）, he_________________( not meet) Rose.
②If the boat _____________ ( not hit) the iceberg（冰山）, the ship _________________( not sink).
③If there _____________(be) more lifeboats, people ________________________(save).
【探究二】虚拟语气在主语从句中的运用。

[观察]观察下列句子中的主句以及从句的谓语形式有什么特征。

①It was suggested that we (should) meet some other time.
②It was demanded that he (should) leave at once.
③It is my suggestion that we (should) give him a call immediately.
④It was strange that such a thing should happen in your school.
⑤It is a pity that you should miss such a good chance .
⑥It is surprising that she should have won 10 millions before 18.
[发现]上述句子是含有______ 从句的复合句，从句中使用了虚拟语气。

其中①②③句表示_______、_______或命令等；④⑤⑥表示_______、_______、遗憾等感情色彩，意为“居然，竟然”’。

[总结] 1. 在It is suggested/ insisted/ demanded/ ordered/ required/ my suggestion/ my advice +that 主语从句中,虚拟语气的谓语动词用_______+________,并且________（可以/不可以）省略。

2. 在It is strange/ worrying/ surprising / a shame/ a pity+ that 主语从句中，虚拟语气的谓语动词用_________+________或________+_______________,并且should一般不省略。

[即学即练]翻译句子。

①有人建议每个学生都要唱一首英文歌曲。

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②真奇怪他居然给我们带了礼物。

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【探究三】虚拟语气在表语从句和同位语从句中的运用。

[观察]观察下列句子中的主句以及从句的谓语形式有什么特征。

①The suggestion that education (should) be reformed is reasonable.
②The demand is that the work (should) be finished within a week.
③I have made a proposal（提议）that we (should) get more people to attend the conference.
④My advice is that we (should) hold a meeting next week.
[发现] 上述4个句子是含有_______从句或_______从句的复合句，表示_______、_______、要求、愿望等意义。

[总结]在advice/suggestion/proposal/desire/idea/order/request/demand等名词后的_______和_______从句中，虚拟语气的谓语动词形式为________+________,并且_______（可以/不可以）省略。

[即学即练] 翻译句子。

①我的建议是你尽可能经常地练习说英语。

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②我的愿望是所有家庭成员一年团圆一次。

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训练案Exercise Case Write a list poem：I would have lived a much happier life Example：
If I had met you at that time,
If I had listened to my mother,
If I hadn’t accepted his flower,
……
……
……
I would have lived a much happier life.。