1、第 1 页 共 9 页Book6 Unit3 Grammar Usage of itTeaching Aims: Introduce the important usages of“ it” and sentence patterns.Teaching Important Points:1. The usage of “it” used in the subjects position to stand for the infinitive or a clause.2. The usage of “it” used to talk about time, date, distance or w
2、eather.3. The structure: It is/was + n/adj. + infinitive/clause.It is that Teaching Difficult Points:Enable the students to use “It” freely and correctly.Teaching Methods:Explanation, Translation, Practice.Teaching Aids:Computer, PowerPoint.Students activity：discussion，practice，summaryTeaching Proce
3、dures:第 2 页 共 9 页Step 1. Lead-inT: We all have learned the use of the word “it”, this class we are going to go over all the use of it.First show some examples chosen from NMET on the screen.1. (2005, 全国) The doctor advised Vesa strongly that she should take a holiday, but _ didnt help.A. it B. she C
4、. which D. he正确答案：A。根据句意：医生的建议未起作用。 it 代替整个句子。2. (2004,全国) -Do you like_here?-Oh, yes. The air, the weather, the way of life. Everything is nice.A. this B. these C. that D. It正确答案：D。根据下文，提问者不能确定被问者喜欢什么，it 用于不确定指代或模糊指代。3. (2008,上海) Someone is ringing the doorbell. Go and see_.A. who is he B. who he i
5、sC. who is it D. who it is正确答案：D。说话时，不知道对方的性别。注意在宾语从句中需用陈述语序。4. (2007, 全国)Have you heard the latest news?No, what _? A. is it B. is there C. are they D. are those正确答案：A。it 指代上文提及的 latest news。5. (2006,全国) If I can help _, I dont like working late into the night.A. so B. that C. it D. them正确答案：C。help
6、 是“阻止、避免”的意思，it 指代下文的事情。6. (2007,天津)He didnt make _ clear when and where the meeting would be held. A. this B. that C. it D. these 正确答案：C。it 为形式宾语， clear 后的从句为真正的宾语。Step 2 PrensentationShow the rules on the screen and explain them to the students.1. Summary one: basic usage of it第 3 页 共 9 页Examples:
7、1) Its warm today.2) Its long from Beijing to Landon .3) - Who is knocking the door.4)- It may be Tom 555)-What do you think of the movie?-Its one of the best movies that Ive seen.Summary 1基本用法:it 可用来指代前文提到的人,物或事情,也可以用来指时间,金钱,距离,天气等自然现象以及婴儿.2. Summary two: formal subjectShow two pictures with the fo
8、llowing sentences on the screen1）To have such a magic house is pleasant.改写成：Its pleasant to have such a magic house.2）Whether we will go to the oceanarium has not been decided.改写成：It has not been decided whether we will go to the oceanarium.Then show more sentences with “it” using as formal subject
9、to 第 4 页 共 9 页the students.Let them summarize the rules in groups, then finish the exercise. Choose some groups to show their conclusion on the blackboard.It 可以代替 不定式、动名词和从句 作形式主语。代替从句作主语时分为三种句式:adj. It is /was +difficult/ easy/ necessary/ important + thatn. It is /was（a/an）+ pleasure/ pity/ shame/
10、fun + thatv. It + appears/seems/looks certain/is said + thatEexercise1 Rewrite the following sentences using it.1.To run business successfully in this area is very difficult.2.Learning English without practice will be useless.3.Whether he can go to a key university or not is unknown.4.That he will g
11、et on well with them is certain.3. Summary three：formal objectIt is funny to talk with the little baby.第 5 页 共 9 页Jane thinks it is funny to talk with the little baby.Jane thinks it funny to talk with the little baby.Show the differences of the three sentence，trying to let the student to understand
12、the link between formal subject and formal object. Then give them the following example to make a further impression about “it”using as formal object.1）We think it our duty to clean our classroom every day. 2）He felt it important learning English well. 3）They found it difficult that they would finis
13、h their work in two days.it 作形式宾语时，句子的基本结构 ：S+ V + it + adj./n.+ to do sth. /doing sth./ clause4. Summary four：emphasis sentenceShow this sentence on the screen：They met Tom in the street yesterday. Then emphasize different parts of the sentence using emphasis sentence. Let student translate the sen
14、tence and tell us what sentence elements the parts which is emphasized are. Discuss in groups and filling the following form.。第 6 页 共 9 页The use of “it” for emphasis可被强调的部分基本句子结构备注Stemp3 exerciseDo the exercise on the students paper练习六：高考回放1. It is the ability to do the job_ matters not where you co
15、me from or what you are. （2000 全国卷）A. one B. that C. what D. it 2. David said that it was because of his strong interest in literature _ he chose the course.（2006 上海春季）A. that B. what C. why D. how3. It is these poisonous products _ can cause the symptoms of the flu, such as headache and aching musc
16、les. （2003 上海卷）第 7 页 共 9 页A .who B. that C .how D .what4. Why! I have nothing to confess. _ you want me to say? （2004 上海卷）A. What is it that B. What it is that C. How is it that D. How it is that5. It was with great joy _ he received the news that his lost daughter had been found. （2004 福建卷)A becaus
17、e B which C since D that6. It was not until she got home _ Jennifer realized she had lost her keys.（ 2006 全国 II 卷）A. when B. that C. where D. before 7. It was_ black home after the experiment. (2004 湖北卷)A. not until midnight did he go B. until midnight that he didnt goC. not until midnight that he w
18、ent D. until midnight when he didnt go8. _that he managed to get the information? 第 8 页 共 9 页Oh, a friend of his helped him. （2005 山东卷）A. Where was it B. What was it C. How was it D. Why was it9.Could it be in the restaurant in_ you had dinner with me yesterday_ you left behind your keys and wallet?
19、 (2008,广东)A. that, which B. which, that C.where, that D. that, where10. It was the university _ he loves deeply _ sent him to America.A. which; where B. where; that （2006，海南）C. that; which D. that; that分析诊断1. B。首先判断这是强调句型，强调的是主语 the ability to do the job，所以选用 that。如果原句中谓语动词为过去范畴的时态(一般过去时、过去进行时、过去完成时
20、、过去将来时等)，则用 It was.that.。如：2. A。这个句子稍微复杂点。Said that 后面的是宾语从句。然后在这个从句里，有一个it isthat 的强调句。整个宾语从句意思说：正是因为他对文学有浓厚的兴趣，他才选择了这个课程。3. B。本题强调主语 these poisonous products.4. A。本句中强调句型对特殊疑问词 what 进行强调，去掉强调句型后句子为 What do you want me to say?我们可以看到被强调的 what 是 say 的宾语。5. D。对状语 with this joy 进行强调。6. B。句意：直到他到家的时候，Je
21、nnifer 才意识到钥匙丢了。until 结构时用于强调句式时，要将否定词 not 移到 until 前。7. C。本题是对强调句型与 notuntil 从句的结合考查，把 not 移至被强调的部分之后，要注意把句子中的动词用过去式。8. C。根据下文的答语 a friend of his helped him 可知上文是强调方式状语。9. B. 第一个空之前有 in， 因此要用 which 去引导该定语从句，第二个空是强调句型，所以用 that。第 9 页 共 9 页10. D. 第一个空为定语从句，用 that 引导，that 在从句中作宾语；第二个句子为强调句型。Step 4 Home
22、 work： 让 it 用法融入写作书面表达：今天是星期二，能在此演讲是我的一大荣幸。我的主题是“高三（1）班，我爱你。 ”我们的教室在一楼，到操场很方便，大约五分钟的步行路程，所以在业余时间，我们经常去那里锻炼身体。众所周知，一直不停地工作是没好处的。而且，我也爱我的同班同学。我们认为助人为乐是很重要的。我们都很好学，是每天早上 6：30 我们在教室读英语或语文，直到晚上 9：30 我们才离开教室。总之，信不信由你，高三（1）班是我校最好的班级之一。Possible version：Dear teachers and students,It is Tuesday today. Its my
23、honor to make a speech here. My topic is “ I Love You,Class1,Grade3.”My classroom is on the first floor. It is convenient for us to go to the playground. It is about a 5-minute walk, so we often go there to take exercise in our spare time. As we all know, it is no good working without a stop. In a w
24、ord, I like my classroom. Besides, I also like my classmates. We think it important to help others. We are hard-working. It is at 6:30 every morning that we read English or Chinese. And it is not until 9:30 that we leave the classroom.In short, believe it or not, Class1, Grade3 is one of the best classes in our school. That all. Thank you.
