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1、2022年高中英語(yǔ) Unit4 第3課時(shí) Grammar學(xué)案 新人教版選修6 Learning aims: 1. Review the use of “it” 2. Learn useful “it” structures Important point: Learn emphatic sentence. Difficult point: Master the use of” it”. 使用說(shuō)明及學(xué)法指導(dǎo)：1. 通過(guò)自學(xué)同步檢測(cè)P，完成預(yù)習(xí)案。2. 完成時(shí)間：30分鐘。 預(yù)習(xí)案 Previewing Case Task 1 寫(xiě)出“it”在句中指的內(nèi)容。 1) Guangzh

2、ou is a beautiful city, isn’t it? ( ) 2）You’ve helped me a lot; I’ll never forget it. ( ) 3）— What’s this? — It’s a puter. ( ) 4）— Whose book is that? — It's hers． ( ) 5）It’s time for lunch．( ) 6）It’s raining hard．(

3、 ) 7）It’s two miles from the school to our home．( ) 8）It is easy to buy a new radio. ( ) 9）It is no use telling him that. ( ) 10) It is exciting that we can do what we like to do. ( ) 11) I feel it my duty to help him. (

4、 ) 小結(jié)： it可以代替______ ,______和上文的_____；it 可以指時(shí)間，_______, ______，環(huán)境，度量等；it作形式_____或_____代替動(dòng)詞不定式，動(dòng)名詞和從句。 Task 2 it 替代to do作形式主語(yǔ)或賓語(yǔ) 1) It takes sb. ... to do sth. 做．．．要花費(fèi)某人 修建長(zhǎng)城花了成千上萬(wàn)的人力和大量的時(shí)間。 ___________________________________________________________________to build the Great Wall.

5、 2)It is adj+ (kind，bad , brave ,careless, clever, cruel, foolish ,stupid ,wise ,wrong等形容邏輯主語(yǔ)特征) of sb to do sth. 你重復(fù)相同的錯(cuò)誤真的很笨。______________________________________________________________ 3）It is adj /n + for sb. to do sth. 常用形容詞：important, necessary, natural, easy, safe, mon, normal ,hard, dif

6、ficult ,dangerous 等；名詞：idea, habit, pity, shame, time, surprise, wonder等 彼此幫助對(duì)我們來(lái)說(shuō)非常重要。___________________________________________________________ 去野炊是一個(gè)好想法。____________________________________________________________________ 4) think\believe\make\find\consider\feel等+it + adj\n (for/of sb) + to d

7、o\that… 我們認(rèn)為每天清潔課室使我們的責(zé)任。 We think _________________________________________________________our classroom every day. 他感到要學(xué)好英語(yǔ)很困難。________________________________________________________________ 小結(jié)：①I(mǎi)t is/was+ adj / n (for/of sb) to do sth. ②think\believe\make\find\consider\feel等+it + adj\n (for

8、/of sb) + to do\that… Task 3 it代替從句形式主語(yǔ)或賓語(yǔ) 1）It is + adj.(clear, obvious, true, possible, certain....) that /whether/when從句 什么時(shí)候去上海還沒(méi)有決定。____________________________________________________________ 他仍然還活著正是一個(gè)奇跡。____________________________________________________________ 2) It is suggested (ord

9、ered /demanded/insisted/manded...) that ...表示請(qǐng)求，建議，命令等詞時(shí)，that　從句用虛擬語(yǔ)氣（should + 動(dòng)詞原形，should 可以?。蛔g “據(jù)建議；有命令．．．） 　 據(jù)建議推遲會(huì)議。________________________________________________________________________ 3) It is +v-ed（said/ believed/reported/ thought/known/ estimated等+that 從句 常譯為“據(jù)．．．” 據(jù)報(bào)道他已經(jīng)來(lái)了北京。_________

10、_____________________________________ he has e to Beijing. 據(jù)相信他是世界上最偉大的人之一。____________________he is one of the greatest people in the world. 4)常用句型：It happens碰巧/seems, looks, appears看來(lái)that... It is the first (second ...) time that ... “是第一（二）．．．次．．．”。 他昨天碰巧在街上遇到他的老師。_________________________he

11、 met his teacher in the street yesterday. 看來(lái)幾天內(nèi)他會(huì)回來(lái)。_________________________________ he will be back in a few days. 這是我第一次到這里。_________________________________I have been here. 5) think\believe\make\find\consider\feel等+it + adj\n (for/of sb) + that /whether/when從句 他們發(fā)現(xiàn)在兩天內(nèi)完成工作是很艱辛的。They found _

12、_________________________________________. Task 4 it代替doing主語(yǔ)或賓語(yǔ) 1）It is/was + no use\ good \fun\pleasure等+ doing sth 只說(shuō)不做是沒(méi)有用的。____________________________________________________________________ 2）think\believe\make\find\consider\feel等+it +no use\ good \fun\pleasure等+ doing sth Tom發(fā)現(xiàn)在家飼養(yǎng)小狗不是一

13、件有趣的事情。Tom found _________________________the dog at home. 我的疑惑 探究案 Exploring Case 1）句型：It is/was + 被強(qiáng)調(diào)部分 + that/who+ 其他部分，此句可以強(qiáng)調(diào)一個(gè)句子除了定語(yǔ)，謂語(yǔ)以外的任何成分（如主，賓，表，狀）注意：(如果強(qiáng)調(diào)的是人, 其后用that或who 均可，物只能用that; 強(qiáng)調(diào)句時(shí)態(tài)應(yīng)該和原句保持一致) 先劃分句子成分再改成相應(yīng)的強(qiáng)調(diào)句。 He met his old friend in the cinema yesterday. 強(qiáng)調(diào)主語(yǔ)：It was_____

14、__________ that/who ________________________________________________. 強(qiáng)調(diào)賓語(yǔ)：It was_______________ that/who __________________________________________________. 強(qiáng)調(diào)地點(diǎn)狀語(yǔ)：It was __________________________that _______________________________________. 強(qiáng)調(diào)時(shí)間狀語(yǔ)：It was__________________ that ________________

15、_______________________________. 2）如何判斷是否是強(qiáng)調(diào)句型： It is/ was…that/who…為強(qiáng)調(diào)句標(biāo)志，去掉后仍可組成一個(gè)完整的句子，只是沒(méi)被強(qiáng)調(diào), 而其他從句一般不具備這一特征。 先判斷是否是強(qiáng)調(diào)句，再填空 ①I(mǎi)t was ten o'clock _____________we got home last night. ( ) ②It was at ten o'clock ____________we got home last night. ( ) ③It is obvious ___________

16、__water is fundamental to the development of life. ( ) ④It's the factory _____________ he worked last year. ( ) 3）It is not until + 被強(qiáng)調(diào)部分 + that ...主要用于強(qiáng)凋時(shí)間狀語(yǔ)，譯成＂直到．．．才．．．＂, He didn’t leave until l returned. 改成強(qiáng)調(diào)句：______________________________________________________________

17、______________ 4) 若強(qiáng)調(diào)謂語(yǔ),則用do /does /did +動(dòng)詞原形,常譯為“的確” “一定”等,該結(jié)構(gòu)只用于陳述句或祈使句中。 ①He ____________want to learn English well. 他的確想學(xué)好英語(yǔ)。 ②________be patient! 一定要耐心點(diǎn)。 訓(xùn)練案1) It was at midnight ________ I got back home yesterday. 2) It was midnight ________ I got back home yesterday. 3) It was two years

18、 ago ________ I began to learn English. 4) It was two years ________ I began to learn English. 5) I was born in the place. (強(qiáng)調(diào)地點(diǎn))________________________________________________________ 課后鞏固 完成同步檢測(cè) It took thousands of people many years to build the Great Wall. We thi

19、nk it our duty to clean our classroom every day. He felt it important learning English well. It is suggested that the meeting ( should ) be put off. It happened ( so happened ) that he met his teacher in the street yesterday.. It seems that he will be back in a few days. It is the first time I have been here it tough that they would finish their work in two days it is no use talking without doing anything. He felt it meaningful that he keeps working for human rights and progress.