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1、Unit ReviewLearning aims:1.Know about the history of some transporters.2.Learn about the development of the future transportation.Learning important points:1.Giving Advice/Order.2.Possibility and Impossibility.Learning difficult points:Modal VerbsI.詞匯詞匯1.掌握詞匯：掌握詞匯：anywhere,on foot,of course,type,shi

2、p,rapid,invent,wheel,engineer,railway,passenger,get on/off,speed,even,certainly,invention,present,round,wing,during,factory,dangerous,humorous,as long as,drive,countryside,ride,get in,smooth,second,space,sound,dirty,electric2.認(rèn)知詞匯：認(rèn)知詞匯：transportation,rail,inventor,steam,engine,locomotive,explode,dis

3、tance,iron,per,magnetic,jet,jet engine,presentation,North America,highway,afar,park,fuel,imagination,hoverboard,skateboard,float,transporter,spaceship,pedal,electricityII.詞組和句型詞組和句型on foot,take a train/boat/plane,of course,a type of,puttogether,steam engine,iron rails,thousands of,get on/off,(at)a t

4、op speed of,turn over and over,no parking,in a hurry,North America,take a drive,go out of,get in,think of,makeinto,all the time,go through,presentto,sound like,go wellIII.Giving Advice/OrderYoud betterYou shouldDont push/run.Please be quiet.IV.Possibility and ImpossibilityIt can be helpful to you.He

5、 couldnt take a train from Canada to London.V.Modal Verbscan,could,would,should,may,must,mightI can go almost anywhere on foot.At first,only rich people could buy cars.I would like to see hoverboards.I think someone should invent a transporter,too.May we leave our car here?I must go and get new thin

6、gs,or I might have a fit!Language Points 情態(tài)動詞情態(tài)動詞一、表示推測一、表示推測(may/might,can/could,must,should,ought to)1.may(過去式過去式 might)“可能可能”There may be little water left in the bottle.He thought it might be wise to try his luck there.She may not be waiting for you now.mightmight注意注意:可以用可以用might代替代替may,以表示說話語以表

7、示說話語氣更加不肯定氣更加不肯定;may 表示推測時表示推測時,不能用于疑問句中不能用于疑問句中.如果在疑問句中出現(xiàn)如果在疑問句中出現(xiàn) may,則表示請求許可則表示請求許可,意為意為“可可以以”.May I use your cell phone?注意注意:1)可以用可以用could代替代替can,以表示語氣婉轉(zhuǎn)以表示語氣婉轉(zhuǎn);could2)表示推斷表示推斷,can不能用于肯定陳述句不能用于肯定陳述句,但但could可以用于肯定陳述句可以用于肯定陳述句,相當(dāng)于相當(dāng)于may/might;This story could be true,but I hardly think it is.may/m

8、ight2.can(過去式過去式could)“可能會可能會”That cant be true.What on earth can this mean?couldnt3)can 可以用于肯定陳述句可以用于肯定陳述句,表示一時的情表示一時的情況況,意為意為“有時候會有時候會”;Our house is on the top of the hill,and in winter the winds can be pretty cold.4)may not/might not意為意為“可能不可能不”,而而can not/could not意為意為“不可能不可能”、“肯定不肯定不”,其語氣要比其語氣要比

9、may not/might not強(qiáng)得多強(qiáng)得多.3.must “肯定肯定”、“準(zhǔn)是準(zhǔn)是”You must be joking,arent you?注意注意:1)must表示推測不用于否定句表示推測不用于否定句,因為因為must not/must never 只能表示禁止只能表示禁止,意為意為“不準(zhǔn)不準(zhǔn)”、“不可不可以以”;-May I watch TV after supper?-No,you mustnt.(may not/cant 也可也可)Judging by the smell,the food must be good,isnt it?2)must表示推測不用于疑問句表示推測不用于疑

10、問句,因為因為must在疑在疑問句中只能表示問句中只能表示“必須必須”或表示反感或表示反感“(干干嗎嗎)偏要偏要”“硬要硬要”;Must I finish it by the end of this week?Why must you ask me so many questions when Im busy cooking?3)must表示推測不用于將來表示推測不用于將來.應(yīng)該用別的句型應(yīng)該用別的句型表示推測表示推測“肯定會肯定會”、“準(zhǔn)會準(zhǔn)會”.Youre sure to succeed./It is certain that you will succeed./Im sure that

11、youll succeed.4.should,ought to “照說應(yīng)當(dāng)照說應(yīng)當(dāng)”,“想比一定想比一定”,“按理應(yīng)該按理應(yīng)該”Fred should /ought to be up now.My new poems should/ought to be out in a month at most.二二.表示必要性表示必要性,、職責(zé)、勸告、建議等、職責(zé)、勸告、建議等(need,must,should,ought to)1.need“必需必需”“需要需要”;must“必須必須”-Must I be here before 9 oclock?-No,you neednt.(不能說不能說:No,y

12、ou mustnt.)-Need I be here before 9 oclock?-Yes,you must.(不能說不能說:Yes,you need.)注意注意:1)need作情態(tài)動詞作情態(tài)動詞,不能用于肯定陳述不能用于肯定陳述句句,在陳述句中在陳述句中,應(yīng)該用應(yīng)該用need的實義動詞表達(dá)的實義動詞表達(dá).You need to be here before 9 oclock.(不能說不能說:You need be here before 9 oclock.)2)回答回答Must/Need開頭的問句開頭的問句,不能說不能說:Yes,you need./No,you mustnt.3)表示表

13、示“必須必須”時時,must 是說話者的主觀看是說話者的主觀看法法,是積極態(tài)度是積極態(tài)度.have to 則是客觀需要則是客觀需要,是消極是消極態(tài)度。態(tài)度。2.表示建議、勸告表示建議、勸告.shall,should,ought to,mustYou ought to/should follow your teachers advice.You must take plenty of water with you if you want to walk alone into the desert.Shall we have a break?Lets have a break,shall we?L

14、ets not bother him,shall we?三三.請求對方做某事請求對方做某事疑問句中用情態(tài)動詞疑問句中用情態(tài)動詞can/could,will/would表示請求比用祈使表示請求比用祈使句表示請求婉轉(zhuǎn)、客氣句表示請求婉轉(zhuǎn)、客氣.Can/Could you wait a few more days?Will/Would you please wait a few more days?四四.表示允許或征詢對方許可表示允許或征詢對方許可may/might,can/could(“不準(zhǔn)許不準(zhǔn)許”may not/cant/mustnt)You may/can stay here for the

15、 night.-May/Might/Can/Could I have a talk with you?-Yes,you may/can.(-No,you may not/cant/mustnt.)(但不說:Yes,you might/could.)can(過去式過去式could)/比較比較 be able to泛指能泛指能力力(具有知識、技巧、本領(lǐng)而能讀書、游泳、具有知識、技巧、本領(lǐng)而能讀書、游泳、說英語、踢足球等說英語、踢足球等)五五.表示能力表示能力1.I could/was able to swim well when I was only ten.2.如果指過去具體某時或某個場合能如果

16、指過去具體某時或某個場合能(設(shè)法設(shè)法)做到某事做到某事(succeeded in doing sth./managed to do sth.),在否定句中兩者都可用在否定句中兩者都可用,在肯定陳在肯定陳述句和疑問句中述句和疑問句中,只能用只能用be able to.We had a holiday yesterday,but couldnt/werent able to go to the seaside.Exercises1.There were _ of footsteps outside the house.2.The cat came into the house _ the wind

17、ow.3.I hope everything _ well.4.Mr.Guo is out of _ now.5.It _ two hours to finish my home-work yesterday.go,sound,take,through,dangerI.選詞填空。選詞填空。tooksoundsthroughgoesdanger1.This book _ be Lilys.Look!Her name is on the book cover.2.Hes a famous swimmer.He said he _ swim when he was three.3.He _ do i

18、t,so can I.4.You should take your raincoat with you.It _ rain tonight.5._ I ask you a question?Yes,you _.6.When the traffic lights are red,you _ stop your car.II.用適當(dāng)?shù)那閼B(tài)動詞填空。用適當(dāng)?shù)那閼B(tài)動詞填空。mustmustcouldcanmayMay canIII.補(bǔ)全對話。補(bǔ)全對話。從方框中選擇合適的句子補(bǔ)全對話從方框中選擇合適的句子補(bǔ)全對話(有兩項多余有兩項多余)。A.My bike is broken,too.B.Walking

19、 is good for our healthC.Whats wrong with your bike?D.Dont you usually come to school by bike?E.There is something wrong with my bike.F.Thats right.G.I like walking.A:Morning,Mr.Wang!Youre walking today.(1)_B:Yes,I do.But sometimes I walk.(2)_ A:(3)_,so I like walking,too.Look at the sun.Its a fine day for walking today.B:(4)_ And the air today is nice and clean.Do you often come to school by bike?A:Yes,but not today.B:Why not?A:(5)_E DGBF