1、RevisionRevision1.我也不知道该说什么。我也不知道该说什么。I didnt know what to say either.2.我不知道如何逃脱。我不知道如何逃脱。I didnt know how to get away.Presentation Presentation 特殊疑问词特殊疑问词+动词不定式动词不定式what who when which where howAndy doesnt know _.what to wearMillie cant decide _.which book to buyThey dont know _ to the station.how
2、to goMillie has decided_.(该读什么该读什么)Daniel did not say _about this book.（该和谁交谈）（该和谁交谈）Simon forgot _his friends.（该什么时候见）（该什么时候见）Kitty cannot decide _ first.（该选哪一个）（该选哪一个）Sandy is wondering _for help.（该去哪求助）（该去哪求助）Amy does not know _the report.（该如何写）（该如何写）Group work 1 Group work 1 what to readwho to t
3、alk towhen to meetwhich to choosewhere to askhow to write1.Mr Wu _as after-school activities.（建议我们该选哪个）（建议我们该选哪个）2.The students _their work.（问他们的老师何时上交）（问他们的老师何时上交）3.Millie _.（向我们展示下一步如何做）（向我们展示下一步如何做）4.Daniel _a computer to draw.（教他自己如何使用）（教他自己如何使用）5.Dont forget to _you.（告诉你妈妈该在哪见）（告诉你妈妈该在哪见）Group
4、work 2 Group work 2 advised us which to chooseasked their teacher when to hand inshowed us what to do nexttaught himself how to use tell your mum where to meet结论结论1：“特殊疑问词特殊疑问词+不定式不定式”可可直接放在上列动词后，也可以置于直接放在上列动词后，也可以置于上列动词的宾语后，即双宾语。上列动词的宾语后，即双宾语。advise,ask,decide,discuss find out,forget,know,learn rem
5、ember,say,show,teach think,understand,wonderGroup discussion 1Group discussion 1“特殊疑问词特殊疑问词+不定式不定式”可放在哪些动词后？可放在哪些动词后？Suzy will explain why to recommend this book.Suzy will explain why she recommend this book.结论结论2：所有疑问词中，只有所有疑问词中，只有why不可以不可以与动词不定式连用。与动词不定式连用。Group discussion 2 Group discussion 2 The
6、y are discussing which color to paint the walls.You can ask your parents how much money to take with you.结论结论3：有些疑问词，如有些疑问词，如what,which,whose,how many,how much等，其后可以先接一个名词，再接动词不定式。等，其后可以先接一个名词，再接动词不定式。Group discussion 3 Group discussion 3 Suzy was not sure who to ask for help.Are you clear when to m
7、eet at the gate tomorrow?结论结论4：在在“疑问词疑问词+动词不定式动词不定式”结构前，有时也结构前，有时也可以是如可以是如sure,clear等的形容词等的形容词Group discussion 4 Group discussion 4 Amy and Daniel are talking about their Reading Week.Complete their conversation.Use the correct question words and to-infinitives.Exercise on page 55Exercise on page 55
8、Amy:Mr Wu has recommended so many interesting books.Have you decided(1)_ first,Daniel?Daniel:Yes.I want to read Black Beauty first.But I dont know(2)_ the book.how,what,ask for,findwhen,where,hand in,readwhich,who,speak,travel,write about which to readwhere to findAmy:You can try our school library
9、or Sunshine Library.Oh,did you know Peter is reading Around the World in Eighty Days?He wants to find out(3)_ around the world in such a short time.Daniel:Wow,thats amazing!By the way,can you tell me(4)_ our book report?how to travelwhen to hand inAmy:Before next Friday.Im still not sure(5)_ in the
10、report.Daniel:You can write anything about your book what the book is about,what you think of it and so on.You should read some reviews about the book before writing.what to write aboutAmy:Thank you.Anyway,I know(6)_ help with writing.Mr Wu is always there to help us.who to ask forGroup discussion 5
11、 Group discussion 5 1.What school rules do we have?What must we do?What mustnt we do?2.If you are ill and the doctor asks you to stay at home,what will you have to do?1.We must wear school uniforms.2.We must get to school on time.3.We must keep quiet in the library.4.We mustnt throw rubbish everywhe
12、re.5.We mustnt pick flowers in the garden.1.I will have to ask for leave and stay at home.2.I dont have to go to school.1.must 表主观的义务和必要，主要用于表主观的义务和必要，主要用于肯定句和疑问句，肯定句和疑问句，“必须，得，要必须，得，要”。e.g.You must finish your homework today.你今天必须完成家庭作业。你今天必须完成家庭作业。must 的否定形式的否定形式must not表示禁止，表示禁止，“不能，不行不能，不行”。e.g.
13、You must not smoke here.你不能在这里抽烟。你不能在这里抽烟。2.have to 表一种客观的需要，表一种客观的需要，“不得不不得不”。have to 有人称和数的变化。有人称和数的变化。e.g.It is getting dark.He has to go home now.天快黑了，你现在得回家了。天快黑了，你现在得回家了。have to 的否定形式的否定形式do not have to,相当于相当于need not。e.g.They do not have to buy a computer at the moment.他们目前没有必要买电脑。他们目前没有必要买电脑
14、。3.must 还可以表示肯定猜测，意思是还可以表示肯定猜测，意思是 “一定一定”。否定的猜测是。否定的猜测是cant。e.g.You must be hungry after all that walking.走了那么远的路，你一定饿了吧。走了那么远的路，你一定饿了吧。That cant be Lucy.She has gone to American.那肯定不是那肯定不是Lucy，她已经去了美国。，她已经去了美国。Group discussion 6 Group discussion 6 What rules must we obey What rules must we obey whe
15、n we are in the library?when we are in the library?must/mustnt/have to/dont have to Amy is telling her cousin Shirley some library rules.Complete what she says with must,must not,have to or dont have to.You(1)_ keep quiet in the library.You(2)_ keep the books clean and tidy.You(3)_ draw or write on
16、the books.mustmustmustntExercise on page 56Exercise on page 56You(4)_ eat or drink in the library.You(5)_ return the books on time.If you want to keep them longer,you(6)_ renew them.You(7)_ bring your student card every time you go to the library,but remember to bring your library card.mustntmusthav
17、e todo not have to1.Im going on a field trip but I havent decided _.(2007河南河南)A.what to do B.to do what C.where to go D.to go where2.Excuse me.Would you please tell me _ buy a digital camera?(2007安徽安徽)A.what to B.where to C.what I can D.where can I 3.This physics problem is too difficult.Can you sho
18、w me _,Wang Lin?Sure.(2008陕西陕西)A.what to work it out B.what to work out it C.how to work it out D.how to work out it 4.We need a new leader for our Helping Hands Club,but I dont know _.Why not Mary?She is always willing to help others.(2011江苏南通江苏南通)A.what to choose B.how to choose C.when to choose D
19、.who to choose5.The math problem is so hard.I really dont know _.(2012甘肃鸡西甘肃鸡西)A.how to do it B.how to do C.what to do it6.Excuse me.Could you tell me _ get to the nearest post office?Sorry,I am new here.(2013山东威海山东威海)A.how can I B.how I could C.how to D.what I can 7.Excuse me.Could you please tell
20、me _ my car?Sure.Park it right here.Ill help you.(2013山东青岛山东青岛)A.how to stop B.where to park C.where to stop D.when to park8._ I swim here?Im sorry.Children _ swim alone here.(2012广东广东)A.Must;cant B.May;must C.Can;mustnt D.Cant;can 9.Dad,must we wait until the light becomes green?Yes,Im afraid we _.Thats the traffic rule.(2013河南河南)A.can B.may C.have to D.need10.Students in our school _ know shouting is not allowed in the library.(2013山东莱芜山东莱芜)A.can B.may C.must D.needRemember the grammar in this lesson.
