高中英語(yǔ)Unit3AhealthylifePeriod3優(yōu)秀教案新人教版選修6

1、Period 3Grammathe Use of "It " (1)整體設(shè)計(jì)教學(xué)內(nèi)容分析This teaching period mainly deals with the grammar-： the use of "it ” . The impersonal pronoun "it " is used frequently in English and has many different functions."It " can be used in t hesubject or object position , to

2、stand for an infinitive, ing form or a clause.The impersonalpronoun "it " can be used to talk about time , distance , weather , etc. "It" can also be used for emphasis.In this period we will focus on only part of its usages, that is , the use of "it " whenthe subject of

3、 a sentence is a clause, an infinitive , or the ing form.三維目標(biāo)設(shè)計(jì)Knowledge and skills1. To let the students learn the use of"it ".2. To enable the students to use"it " correctly and properly.Process and methods1. To ask the students to read the reading passage again, pick out the s

4、entences with theword "it" in them and write some on the blackboard.2. To ask the students to discover how "it" is used in various ways.3. To ask the students to do the exercises in Discovering useful structures on Page 21 for students to master the use of"it ".4. To as

5、k the students to summarize the use of"it ".5. To ask the students to do the exercises in Using Structures on Page 57 and some other additional exercises for consolidation.Emotion , attitude and value1. To get the students to become interested in grammar learning.2. To develop the students

6、' ability of comparing and summarizing.教學(xué)重、難點(diǎn)1. To get the students to master the structure and usages of the pronoun"it ".2. To enable the students to learn how to use "it ".教學(xué)過(guò)程R Lup 1 Revision1. Check the homework exercises.2. Dictate some new words and expressions.3. Tran

7、slate the following sentences into English：(1)她對(duì)電視入了迷。(2)雖然有暴風(fēng)雨，我們依舊準(zhǔn)點(diǎn)到達(dá)了火車站。(3)我每次去訪問(wèn)他，他都不在。Suggested answers :(1)She is addicted to television.(2)We arrived at the station in spite of the storm.(3)Every time I call on him , he is out.S lup W Warming upAsk the students to reread the passage and fin

8、d out the sentences with the word"it "in them.For example(1)It_is a beautiful day here and I am sitting under the big tree at the end of the garden.(2)It seems amazing that at myage I amstill fit enough to cycle 20 kilometres in an afternoon.(3)Your mother tells me that you started smoking

9、 some time ago and now you are finding it_difficult to give it up. _(4)It might help you to stop and strengthen your resolve.Ask the students to think about the use of"it " according to the above four sentences.Slup G Grammar learningAsk the students to study the following sentences and tr

10、y to summarize the structure and usages of " it ".1) The personal pronoun "it " and the impersonal pronoun "it ".(1)Tom's mother kept telling him that he should work harder but it didn't help. _2) ) Who is knocking at the door? It's me.(3)It's_about five

11、 kilometers from here to the railway station.(4)It's getting colder and colder every day.2. "It " is used in the subject or object position.(1)She thought it no_use telling him about that.(2)I remember I made it clear to you that I was not coming.(3)It's_important to do proper memo

12、ry work in the study of a foreign language.(4)It_s no use learning without thinking.(5)It_is a pity that you didn't see such a good film.Slup 4 Summing upTry to help the students draw the following conclusions.1. "It " is a very useful word and can be used in many ways.2. The personal

13、pronoun "it " can substitute something that is mentioned before.In some certain situations , "it " can stand for an unidentified person or a baby.3. The impersonal pronoun "it " can be used to talk about time , distance , weather , etc.4. "It " can act as a su

14、bject or an object ,while the real subject or object can be putbackwards in the form of an infinitive, ing form or a clause.G Lcp 5 Grammar practiceAsk students to do the following exercises：1. Rewrite the sentences using "it " structures given.(1)Giving up smoking is difficult.(It is.)(2)

15、Most people believe smoking causes cancer.(It is believed.)(3)The night was dark and stormy when the old man started his journey.(It was a.)(4)Don't quit on a stressful day.(It's no use.)Suggested answers :(1)It is difficult to give up smoking.(2)It is believed that smoking causes cancer.(3)

16、It was a dark and stormy night when the old man started his journey.(4)It is no use trying to quit on a stressful day.2. Do the remaining exercises in Exercise 2 in Discovering useful structures on Page 21.3. First ask students to do the exercises individually , and then let them discuss and check t

17、heir answers with their partners, and finally give them the correct answers and deal with anyproblems they might meet.G Lup 6 Getting more about the grammar1. it作形式主語(yǔ)的幾種句型It + be + 形容詞 / 名詞(dificult/necessary/a rule/a duty)+ for/of + sb.to do sth.It + be + 形容詞 / 名詞(dificult/necessary/a rule/a duty)+

18、 that clause It + be + 過(guò)去分詞(said/reported/known) + that clause It + be + 形容詞 / 名詞(useless/no use/no good) + doing It + takes sb.some time + to do sth. It + seems/appears + that clause It + seems/appears + as if clause2. it作形式賓語(yǔ)的特殊用法。某些及物動(dòng)詞或短語(yǔ)不能加賓語(yǔ)從句，此時(shí)須先用it作形式賓語(yǔ)，然后接賓語(yǔ)從句。此種用法常用于like , dislike , hate

19、, appreciate , depend on , see to 等后。如：I hate it when people talk with their mouths full.You may depend on it that they will support you.I'll appreciate it if you close the door for me.I like it in the autumn when the weather is clear and bright.3. it引起的幾個(gè)易混的時(shí)間句型1)It's time for sb.to do sth.

20、和 It's(about/high) time that sb.did sth.(should do sth.)。例如：It's time for us to go to bed.It's(about/high)time that we went/should go to bed.注意：It's (about/high) time that句型中，謂語(yǔ)動(dòng)詞須用虛擬語(yǔ)氣，即用動(dòng)詞的過(guò)去式或“ should +動(dòng)詞原形"(should 不能省略)。(2)It/This/That is + the first/second time + that sb.ha

21、s/have done sth.和 It/This/That was the first/second time that sb.had done sth.例如：This is the fourth time that she has rung you today.It was the second time that I had visited the Great Wall last year.(3)It will be long/hours/days/years before sb.do/does sth.和 It was long/hours/days/yearsbefore sb.di

22、d sth. 例如：It will be two years before we meet again.It was a long time before I got to sleep again last night.(4)It is/has been+ years/days/weekssince sb.did sth.和 It was years/days/weeks since sb.haddone sth.例如：What was the party like?Wonderful.It's years since I enjoyed myself so much.It was y

23、ears since I had began to learn English.(5)It is/was+ 具體時(shí)間點(diǎn)+ when clause 。例如：It's 6 o'clock when I go home from school every day.It was five o'clock when they finished the job.注意：在本結(jié)構(gòu)中，when引導(dǎo)的從句是定語(yǔ)從句，具體時(shí)間點(diǎn)是先行詞。Slup S Summing upTry to help the students draw the following conclusions.1. Th

24、ere are many sentence patterns in English with "it " in them. "It " has many functions.2. When "it " acts as a subject or an object , the real subject or object can appear in the form of an infinitive , ing form or a clause.The impersonal pronoun"it " can be u

25、sed to talkabout time , distance , weather , etc.Slup 8 Playing a game1. Get students to form groups of 6.2. Let students play the game“What is it? ” . Spend some time making up clues to identifyseveral objects/illnesses/habits in this unit.Then read your clues to your partner and see if he/she can

26、identify them.Choose the best ones to read to the class.EXAMPLE SIt is a bad habit for both males and females.It is something you shouldn't start because you will be addicted to it.It is something which is illegal.It is a very expensive habit and so it will waste your money.S Lcp 9 Closing down

27、by a quizShow students the following on the screen or give out test papers to them.1. It took us over an hour along the street.A. walkB. to walkC. walkingD. walked2. I think it a great honor to visit your country.A. to inviteB. invitingC. having invitedD. to be invited3. Many people now make a rule

28、to buy cards for their friends before Christmas.A. themselvesB. itC. thatD. this4. is very clear to everyone that he is round and tall like a tree.A. ThisB. WhatC. ThatD. It5. In the United States , bus travel doesn't cost much as train travel, ?A. don't theyB. does itC. do theyD. doesn't it6. Someone is at the door ; who is ?A. thisB. thatC. itD. he7. raining hard for three hours w