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視頻標簽：Working,the land
所屬欄目：高中英語優質課視頻
視頻課題：人教版高中英語必修四Book4 Unit2 Working the land Learning about language甘肅
教學設計、課堂實錄及教案：人教版高中英語必修四Book4 Unit2 Working the land Learning about language甘肅省級優課
Unit2 Learning about language
Teaching Goals:
1. Help the students to learn to use Verb-ing form in speaking and writing; 2. To enable Ss to master some new words and expressions.
3.To Help the students to learn the basic rules of Verb-ing form used as subject and object.
Teaching important point:
To train Ss to summarize the usage of verb-ing form . Teaching difficult point:
To guide Ss to write sentences using V-ing form . Teaching methods:
Learning through observation; Learning through self-study and cooperation; Task-based learning Teaching aids:
A computer, a projector Teaching Procedures:
Step I: Revision: Talk about Yuan Longping’s personal information
Achievements:1. grow rice that has a high output
2. find ways to grow more rice 3. circulate his knowledge abroad
4. give money to equip others for their research
Hobbies:1. listening to violin music
2. playing mah-jong 3. swimming 4. reading
Step II Discovering useful words and expressions
1.hunger n.饑餓；欲望 v.t&vi.(使)饑餓；渴求;渴望得到→hungry adj.饑餓的 2.disturbing adj.（事物等）引起煩惱的;令人不安的→ disturb vt. 打擾；打亂
3. equip vt.&vi 配備；裝備→equipment n.設備；裝備 4.export vt.&vi.輸出;出口→（反義詞）import 輸入;進口 5.occupation n.工作；職業；占領→occupy vt.占領;占用 6.circulate vt.&vi.循環,流傳→circulation n.循環；流傳
7.confuse vt.使迷惑；使為難→ confusing_adj.令人迷惑的→confused adj.迷惑的；為難的
8.produce vt.生產；制造→producer n．生產者；制片人→production_ n.生產;制造
1.使……擺脫或除去 rid…of 2.對……感到滿意 be satisfied with 3.幸虧;由于;因為 thanks to 4.寧愿;寧可 would rather 5.逐漸增強;建立;開發 build up
6.導致;造成(后果) result in 7.集中(注意力、精力等)于 focus on
8.使……免受(影響、傷害等);使……不含(有害物) keep…free from/of 9.為......抵抗……而斗爭（努力） fight against 10.有關系，有影響 make a difference TASK 1 用本單元詞匯和句式完成下列寫作任務
袁隆平是一位農業方面的科學家，使十億多人免于饑餓。他很小的時候就寧愿待在自家的農場里研究莊稼。那時候，饑餓是一件令人煩惱的事情。因此，他決定使人擺脫饑餓。為與饑餓作斗爭，他幫助窮人提高農作物產量。由于他的努力，墨西哥的小麥產量提高了并且出口到別的國家。結果，他因在與饑餓作斗爭中所做出的貢獻而獲得了諾貝爾和平獎。
【參考范文】
Yuan Longping was an agricultural scientist who kept as many as one billion people free from hunger. He would rather stay on his family farm studying crops when he was very young，and at that time，hunger was a disturbing problem. Therefore he was determined to rid people of hunger. He helped poor people
improve the output of their crops to struggle against hunger. Thanks to his effort，Mexico increased its wheat output and exported wheat to other countries. As a result，he won the Nobel Peace Prize for his contributions in struggling against hunger.
Step III: Discovering useful structures
i)觀察下列句子，找出每個句子的主語和謂語動詞，對比并嘗試找出變化規律。
1. Wishing for things, however, costs noting.
2. Since then, finding ways to grow more rice has been his life goal. 3.Doing morning exercise is important. 4.Learning English needs practice. 5.My sister’s being ill made me worried. 6.Her coming to help encouraged all of us. 7.It is no use crying over spilt milk.
8.There is no point persuading him any longer.He won't chang his mind. 自我歸納： v-ing As the Subject (作主語)
1.動詞-ing形式作主語,通常位于句_首_,謂語動詞用_單_數形式,其復合結構的構成方式為:名詞所有格/形容詞性物主代詞+V-ing ,其中形容詞性物主代詞/名詞所有格是V-ing形式的_邏輯主語。
2.用_it作_形式主語, 真正的_主____語（整個動詞-ing形式短語）位于句__末___。
3.在___there is no... 結構中做主語。 常用it 做形式作主語的句型有：
It is a waste of time/money doing sth 做……是浪費時間/金錢的 It is no good/use /fun doing sth ……沒好處/用處/意思 It is worthwhile /useless doing sth ……是值得的/無用的 在There is no......結構中，通常用V-ing形式做主語。常見句型有： There is no sense doing 做……沒有道理/ There is no point doing 干……無意義 There is no pleasure doing 做......沒有樂趣注意: There is no need to do sth 干……沒必要,在此句式中to do不可換為doing.
eg: There is no need to tell her. 沒有必要告訴她。
ii)觀察下列句子，找出每個句子中的v-ing形式，并說出它所作的成分。
1. Have you finished cleaning the classroom?
2. He enjoys listening to violin music, swimming and reading.
3. As a young man, he saw the great need for increasing the rice output. 4.I have never dreamed of visiting that place. 自我歸納： v-ing As the Object 作賓語 動詞-ing短語作動詞的賓語 動詞-ing短語作介詞的賓語
接動詞-ing作賓語的動詞(短語)，記憶歌謠： 建議考慮堅持練，允許想象棄冒險； Suggest，advise, consider，insist on , practise Permit , allow, imagine , give up, risk 阻止抵抗否逃脫，不禁介意保持完； prevent, resist, deny, escape can’t help, mind, keep, finish 耽誤推遲求原諒，承認錯過欣喜歡 Delay, put off, require, forgive , excuse Admit, miss, appreciate, enjoy
Compare the sentences and translate them into Chinese. I forgot writing to you. I forgot to write to you.
I remember locking the door before I went out.
I remember to lock the door before I go out .Don't worry. Task 2:Write down the meaning in Chinese.
go on doing 繼續做原來做的事 mean doing 意味著要做
go on to do 接著做另一件事 mean to do 想要做某事 stop doing 停止做某事 try doing 試著做某事 stop to do開始做某 try to do 努力做某事 be used to doing 習慣于做某事 can't help doing 情不自禁做某事 be used to do 被用來做某事 can't help to do 不能幫助做 Task 3: Fill in the blank.
1) ___Learning new words_______________ is very important for me． 學習新單詞對我來說非常重要。 2) Talking__________ is easier than doing. 說比做容易。
3) It is useless trying to argue with Shylock 和夏洛克爭辯是沒有什么用的。 4 This book _is worth reading_again.(worth) 這本書值得再讀一次。
5） We must try to _avoid making the same mistakes (avoid) 我們必須設法避免犯同樣的錯誤。 6)Playing (play)with fire is dangerous.
7)The doctor advised __staying ( stay ) longer in hospital. 8)He didn’t feel like __working ( work ), so he suggested _spending ( spend ) the day in the garden.
9)Everybody was made unhappy because he insisted on _giving__(give) up that plan.
10) It is not worthwhile seeing (see) the movie for the second time. 11）We succeeded in finishing (finish) our paper ahead of time.
12） Tom could not help __jumping_(jump) with joy on hearing the good news. 13)Dr. Yuan searched for a way to increase rice harvests without _expanding____ (expand) the area of the fields. Step VI:Homework
1. Finish the exercises on page 13. 2.Prepare for the next passage
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