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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強得多強得多.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的實義動詞表達的實義動詞表達.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.補全對話。補全對話。從方框中選擇合適的句子補全對話從方框中選擇合適的句子補全對話(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