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1、2022年高中英語 Unit4 第3課時 Grammar學案 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”. 使用說明及學法指導：1. 通過自學同步檢測P，完成預習案。2. 完成時間：30分鐘。 預習案 Previewing Case Task 1 寫出“it”在句中指的內容。 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： it可以代替______ ,______和上文的_____；it 可以指時間，_______, ______，環(huán)境，度量等；it作形式_____或_____代替動詞不定式，動名詞和從句。 Task 2 it 替代to do作形式主語或賓語 1) It takes sb. ... to do sth. 做．．．要花費某人 修建長城花了成千上萬的人力和大量的時間。 ___________________________________________________________________to build the Great Wall.

5、 2)It is adj+ (kind，bad , brave ,careless, clever, cruel, foolish ,stupid ,wise ,wrong等形容邏輯主語特征) of sb to do sth. 你重復相同的錯誤真的很笨。______________________________________________________________ 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 彼此幫助對我們來說非常重要。___________________________________________________________ 去野炊是一個好想法。____________________________________________________________________ 4) think\believe\make\find\consider\feel等+it + adj\n (for/of sb) + to d

7、o\that… 我們認為每天清潔課室使我們的責任。 We think _________________________________________________________our classroom every day. 他感到要學好英語很困難。________________________________________________________________ 小結：①It 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代替從句形式主語或賓語 1）It is + adj.(clear, obvious, true, possible, certain....) that /whether/when從句 什么時候去上海還沒有決定。____________________________________________________________ 他仍然還活著正是一個奇跡。____________________________________________________________ 2) It is suggested (ord

9、ered /demanded/insisted/manded...) that ...表示請求，建議，命令等詞時，that　從句用虛擬語氣（should + 動詞原形，should 可以省；譯 “據(jù)建議；有命令．．．） 　 據(jù)建議推遲會議。________________________________________________________________________ 3) It is +v-ed（said/ believed/reported/ thought/known/ estimated等+that 從句 常譯為“據(jù)．．．” 據(jù)報道他已經(jīng)來了北京。_________

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. 看來幾天內他會回來。_________________________________ 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)在兩天內完成工作是很艱辛的。They found _

12、_________________________________________. Task 4 it代替doing主語或賓語 1）It is/was + no use\ good \fun\pleasure等+ doing sth 只說不做是沒有用的。____________________________________________________________________ 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 + 被強調部分 + that/who+ 其他部分，此句可以強調一個句子除了定語，謂語以外的任何成分（如主，賓，表，狀）注意：(如果強調的是人, 其后用that或who 均可，物只能用that; 強調句時態(tài)應該和原句保持一致) 先劃分句子成分再改成相應的強調句。 He met his old friend in the cinema yesterday. 強調主語：It was_____

14、__________ that/who ________________________________________________. 強調賓語：It was_______________ that/who __________________________________________________. 強調地點狀語：It was __________________________that _______________________________________. 強調時間狀語：It was__________________ that ________________

15、_______________________________. 2）如何判斷是否是強調句型： It is/ was…that/who…為強調句標志，去掉后仍可組成一個完整的句子，只是沒被強調, 而其他從句一般不具備這一特征。 先判斷是否是強調句，再填空 ①It 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 + 被強調部分 + that ...主要用于強凋時間狀語，譯成＂直到．．．才．．．＂, He didn’t leave until l returned. 改成強調句：______________________________________________________________

17、______________ 4) 若強調謂語,則用do /does /did +動詞原形,常譯為“的確” “一定”等,該結構只用于陳述句或祈使句中。 ①He ____________want to learn English well. 他的確想學好英語。 ②________be patient! 一定要耐心點。 訓練案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. (強調地點)________________________________________________________ 課后鞏固 完成同步檢測 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.