牛津译林版英语八下-Unit4-Grammar-(共55张)课件

1、Using question words +to-infinitivesUsing must and have to 8B Unit 4 GrammarUsing question words +to-infinTranslation.1. 撞到岩石上2. 筋疲力尽3. 与一样大4. 摔倒5. 向某人大叫crash against the rocksbe tired outthe same size asfall overshout at sb.RevisionTranslation.1. 撞到岩石上crash agai6. 继续做某事7. 解开一只手8. 一大群小人9. 逃跑10. 逃离，离

2、开 continue to do sth. / continue doing sth. put one hand free a huge army of tiny people run away get away6. 继续做某事 continue to do sth.11. 当我们的船撞到岩石损坏之后，我奋力前游。12. 当我最终感到大地在我脚下的时候，我筋疲力尽了。13. 我的胳膊、腿和头发被拴在了地面上。After our ship crashed against the rocks, I swam as far as I could. By the time I finally felt

3、 the land under my feet, I was tired out.My arms, legs and hair were tied to the ground.11. 当我们的船撞到岩石损坏之后，我奋力前游。After 14. 他只有我的小手指那么大。15. 这噪音使他们都摔倒了。 16. 他们继续在我的身上走来走去。17. 我也不知道说什么。He was the same size as my little finger.The noise made them all fall over.They continue moving across my body.I did no

4、t know what to say either.14. 他只有我的小手指那么大。He was the samNew wordshand v. 交；递，给hand in 上交，递交New wordshand v. hand in review n. 评论return v.归还renew v.续借；更新on time准时review n. return v.renew v.Andy doesnt know _.what to wearPresentationAndy doesnt know _Millie cant decide _.which book to buyMillie cant d

5、ecide _They dont know _ to the station.how to goThey dont know _ to tRead the following sentences1. Some dogs just dont know how to have fun. (七年级上册 U4)2. Have you decided what to do with these books, Hobo? (八年级下册 P48) 3.I did not know what to say either. (八年级下册 P51）4. I did not know how to get away

6、 . (八年级下册P51)Read the following sentences1.如何玩的愉快 2.做什么 3.说什么 4. 如何逃跑how to have funwhat to do how to get away what to say讨论：这些短语是由哪两部分构成的？ 结论 疑问词+动词不定式how to have funwhat to do h总体目标：学会正确使用“疑问词+动词不定式 ” （To learn to use question words + to-infinitives）目标分解1. 掌握 “疑问词+ 动词不定式 ” 的结构2. 探究 “疑问词+ 动词不定式 ”在句

7、子中使用的三种情况Objectives总体目标：学会正确使用“疑问词+动词不定式 ”Objecti1.做什么2.去哪儿where to go3.听谁说who to listen towho to chat with4.与谁聊天5.谈论什么what to talk about6.和谁交谈who to talk to/withLets have a try!what to do不定式中的不及物动词后必要时需加上适当的介词用“疑问词+动词不定式”完成下列短语1.做什么2.去哪儿where to go3.听谁说who 1.带多少钱 2.买多少书 3. 选什么书4. 去那个城市 how much mon

8、ey to takewhich book to choosewhich city to go tohow many books to take讨论：从这个四个短语中我们可以得出什么样的结论呢疑问词+动词不定式 (有些疑问词后可以加名词)1.带多少钱 how much money to takew何时做作业_2.去哪儿_3. 与谁聊天_4.读什么 _5.选多少本书 _6.如何去_what to readwhen to do homeworkhow many books to choose 一、 （目标1达成 ） 在自己的小黑板上写出下列短语who to chat withwhere to goh

9、ow to go疑问词+动词不定式 的注意点 ：1. 不定式中的不及物动词后必要时需加上适当的介词3. 除why以外的疑问词都可以使在这个结构中 2.有些疑问词后可以加名词 再+动词不定式 何时做作业_what Simon forgot when to meet his friends.Sandy is wondering where to go.Daniel did not say who to chat with on the InternetAmy does not know how many books to take.1.We can put question words with

10、to-infinitives after verbs.助记： 动词+疑问词 +动词不定式。目标2 研究 疑问词+不定式 在句子中使用 宾语 Simon forgot when to mThe students asked their teacher when to hand in their homework.Millie showed us what to do next.Daniel taught himself how to use a computer to draw.Dont forget to tell your mum where to meet you.这样的动词还有：advi

11、ce, decide,discuss,know,find out,wonder,think,learn,say 2.We can put a verb and an object（宾语） before a question word with to-infinitive助记：动词+宾语+疑问词+动词不定式直接宾语 Simon forgot when to meet his friends.Daniel did not say who to chat with on the Internet1.We can put question words with to-infinitives after

12、 verbs.助记： 动词+疑问词 +动词不定式。宾语The students asked their teach问他们老师何时交作业1.The students asked their teacher_their homework.when to hand in2.Millie showed_ a computer to draw. (向Daniel展示何如使用电脑画画)Daniel how to use3.We can use QQ to communicate with each other online. Good .Will you please _ (告诉我如何使用它)?tell

13、me how to use it问他们老师何时交作业1.The students askedSuzy was not sure who to ask for help.Are you clear when to meet at the gate tomorrow?我们可以用形容词sure, clear, certain等Lets discuss the following sentences. 3.We can put an adjective before a question word with to-infinitives助记：形容词+疑问词+动词不定式Suzy was not sure

14、 who to ask f2354抢答题1抢答题2Have a competition612354抢答题1抢答题2Have a competition1Will you please show me _( 如何开) a car.how to drive1Will you please show me _ 2. Jim decided when he should leave Beijing. (改同义句） Jim decided _Beijing.when to leave 2. Jim decided when he shou3Peter is learning how _(chat) wi

15、th new friends.to chat3to chat4Im going on a field trip but I havent decided _. A. what to do B. to do what C. where to go D. to go whereC4Im going on a field trip but5Kate didnt know who she should talk to.=Kate didnt know _.who to talk to5Kate didnt know who she shou6 判断正误Lily will explain why to

16、go to the supermarket. ( )FLily will explain why she goes to the supermarket.6 判断正误FLily will explain why s抢答题1-Lets decide _(start) the plan, Jim.-How about next Monday?when to start抢答题1-Lets decide _(抢答题2There isnt any difference between thetwo. I really dont know_.A. where to choose B. which to c

17、hooseC. to choose what D. to choose whichB抢答题2There isnt any difference Say sth. about the picture with question words+to-infinitives马航，你去哪了？So far we havent know_ (在哪找到这架飞机）.2. They forgot to tell Lily _.(选哪个航班）3. We still dont know _ finding the missing plane. (要花多少天）4. The government is not sure

18、_ it.(什么时候找到它）.where to find the planewhich flight to choosehow many days to spendwhen to find Say sth. about the picture wiClass-exericseFinish the exercises on P55.Class-exericseFinish the exercwhich to readwhere to findhow to travelwhich to readwhere to findhow when to hand inwhat to write aboutw

19、ho to ask forwhen to hand inwhat to write a1. I dont know when to go there.2. I havent decided who to go with3. I am sure what to do there4. I have to choose how to get there.5.I did not know how much money to take.I want to take a tour to Yangzhou. But I havent been there, I have some following que

20、stions:1.我不知道何时去那儿。2.我还没有决定和谁一起去。3.我还不确定在那儿做什么。4.我必须选择如何去那儿。5.我不知道带多少钱去。1. I dont know when to go theWe can use a question word with a to-infinitives after a verb.Do you know how to get to the nearest supermarket.The teacher didnt tell us what to do next.I am wondering where to go for the holiday.疑问

21、词+to doWe can use a question word witMillie 还没有决定选那本书。Millie hasnt decided_.2. Simon 忘记什么时候见朋友了。Simon forgot _his friends.3. 我妈妈教我如何做饭。My mother teaches me_.4. Daniel不知道接下去说什么。Daniel didnt know _next.Have a trywhich book to choosewhen to meethow to cookwhat to sayMillie 还没有决定选那本书。Have a trywhitips W

22、e can use these verbs before wh-+to doThese question words can be used , such asknow, learn, see, hear, ask, advise, tell, decide, explain, find out, forget, show, teach, discuss, wonder, remember, think, understand, be sure, be clear.When, where, what, which, how, how many/much+n., what/which/whose

23、+n除了why疑问词+to do 可以改写成由疑问词引导的从句。tips know, learn, see, hear,Gulliver did not know where he could find other people.=Gulliver did not know _ other people.2. He wondered who he could ask for help.= He wondered _help.3. Gulliver did not know how he could break the ropes. = Gulliver did not know _ the r

24、opes.Have a tryWhere to findWho to ask forhow to breakGulliver did not know where he4. Gulliver found out what he could do with the tiny man.=Gulliver found out _ with the tiny man.5. Gulliver decided when he should leave Lilliput.=Gulliver decided _ Lilliput.Have a trywhat to dowhen to leave4. Gull

25、iver found out what he 我不知道该怎么做？ I dont know what to do. = I dont know what I should do.2. Sandy 想知道该找谁帮忙。 Sandy is wondering who to ask for help. = Sandy is wondering who she should ask3. 你能告诉我去学校该走哪条路吗？ Could you tell me which way to take to the school?= Could you tell me which way I should take t

26、o the school.Have a try我不知道该怎么做？Have a try4. 吴老师建议我们选择哪些课外活动。 Mr Wu advised us which to choose as after-school activities.=Mr Wu advised us which we should choose as after-school activites.5. 不要忘了告诉你妈妈什么时候接你。 Dont forget to tell your mother when to pick you up. =Dont forget to tell your mother when

27、she should pick you up.Have a try4. 吴老师建议我们选择哪些课外活动。Have a try6. 我不确定带多少钱. I am not sure how much money to take.=Im not sure how much money I should take.7. 那时他清楚可以走哪条路吗？ Was he clear which way to take?=Was he clear which way he could take?8. 他的问题是如何学好英语。His question is how to learn English well.9.

28、选读什么书对我们很重要。Which books to choose to read is important for us.6. 我不确定带多少钱.We must obey school rules when were at school. What school rules do we have? What must we do? What mustnt we do?We must obey school rules whenWe must wear school uniforms.We must get to school on time.We must hand in our homew

29、ork on time. We use must when the speaker feels that something is necessary. What must we do?We must wear school uniforms.WWe must not throw rubbish on the ground.We must not run fast in the teaching buildings.We use must not to say that something is not allowed. must not =mustntWhat mustnt we do?We

30、 must not throw rubbish on tI have to call my parents.I have to ask for leave and stay at home.We use have to when the situation makes something necessary. has to , had to, will have to If you are ill and the doctor asks you stay at home, what will you have to do?I have to call my parents.We I dont

31、have to finish my homework today.I dont have to have the rest lessons today.We use do not have to to say that it is not necessary to do something. do not have to = dont have toDoesnt have to, didnt have to, wont have to, If you are ill and the doctor asks you stay at home, what wont you have to do?I

32、 dont have to finish my hom（1）must表示“必须”，“应该”。 否定式mustnot (mustnt) 表示“不应该”，“不许可”，“不准”,“禁止”等。 在回答带有must的问句时，否定式常用neednot (neednt) 或 donthaveto 表示“不必”，而不用mustnot(mustnt)Draw a conclusion1.你不能那样说。 Youmustntspeaklikethat.2. 8点之前我必须回家吗？是的，必须回家。/不，不必了. MustIbehomebeforeeightoclock?Yes,youmust./No,youneedn

33、t./No,youdonthaveto.（1）must表示“必须”，“应该”。Draw a conc2）must表推测，一般只用于肯定句中，译成汉语“一定”，“必定”。其否定形式常用cannot而不用mustnot。1. 肯定有一些错误。 Theremustbesomemistakes. 2. 你一定很累了。 Youmustbeverytired.3. 他肯定不在家，他去了香港。He cant be at home. He has gone to Hong Kong.2）must表推测，一般只用于肯定句中，译成汉语“一定”，（3）haveto表示“必须”，“不得不”，表示的却是客观需要。但must表示的是说话人的主观看。 haveto有更多的时态形式：现在